Improve storage mount path handling

app/Http/Controllers/Api/ApplicationsController.php

@@ -4279,10 +4279,11 @@ public function create_storage(Request $request): JsonResponse
             'host_path' => ['string', 'nullable', 'regex:'.ValidationPatterns::DIRECTORY_PATH_PATTERN],
             'content' => 'string|nullable',
             'is_directory' => 'boolean',
+            'is_host_file' => 'boolean',
             'fs_path' => 'string',
         ]);
 
-        $allAllowedFields = ['type', 'name', 'mount_path', 'host_path', 'content', 'is_directory', 'fs_path'];
+        $allAllowedFields = ['type', 'name', 'mount_path', 'host_path', 'content', 'is_directory', 'is_host_file', 'fs_path'];
         $extraFields = array_diff(array_keys($request->all()), $allAllowedFields);
         if ($validator->fails() || ! empty($extraFields)) {
             $errors = $validator->errors();
@@ -4306,7 +4307,7 @@ public function create_storage(Request $request): JsonResponse
                 ], 422);
             }
 
-            $typeSpecificInvalidFields = array_intersect(['content', 'is_directory', 'fs_path'], array_keys($request->all()));
+            $typeSpecificInvalidFields = array_intersect(['content', 'is_directory', 'is_host_file', 'fs_path'], array_keys($request->all()));
             if (! empty($typeSpecificInvalidFields)) {
                 return response()->json([
                     'message' => 'Validation failed.',
@@ -4337,6 +4338,14 @@ public function create_storage(Request $request): JsonResponse
         }
 
         $isDirectory = $request->boolean('is_directory', false);
+        $isHostFile = $request->boolean('is_host_file', false);
+
+        if ($isDirectory && $isHostFile) {
+            return response()->json([
+                'message' => 'Validation failed.',
+                'errors' => ['is_host_file' => 'Host file mounts cannot also be directory mounts.'],
+            ], 422);
+        }
 
         if ($isDirectory) {
             if (! $request->fs_path) {
@@ -4359,12 +4368,50 @@ public function create_storage(Request $request): JsonResponse
                 'resource_id' => $application->id,
                 'resource_type' => get_class($application),
             ]);
+        } elseif ($isHostFile) {
+            if (! $request->fs_path) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['fs_path' => 'The fs_path field is required for host file mounts.'],
+                ], 422);
+            }
+
+            if ($request->filled('content')) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['content' => 'Content is not valid for host file mounts.'],
+                ], 422);
+            }
+
+            try {
+                $fsPath = validateHostFileMountPath($request->fs_path, 'host file source path');
+                $mountPath = validateFileMountPath($request->mount_path, 'host file destination path');
+            } catch (\Throwable $e) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['mount_path' => $e->getMessage()],
+                ], 422);
+            }
+
+            $storage = LocalFileVolume::create([
+                'fs_path' => $fsPath,
+                'mount_path' => $mountPath,
+                'content' => null,
+                'is_directory' => false,
+                'is_host_file' => true,
+                'resource_id' => $application->id,
+                'resource_type' => get_class($application),
+            ]);
         } else {
-            $mountPath = str($request->mount_path)->trim()->start('/')->value();
+            try {
-
+                $mountPath = validateFileMountPath($request->mount_path, 'file storage path');
-            validateShellSafePath($mountPath, 'file storage path');
+                $fsPath = confineFileMountPath(application_configuration_dir().'/'.$application->uuid, $mountPath, 'file storage path');
-
+            } catch (\Throwable $e) {
-            $fsPath = application_configuration_dir().'/'.$application->uuid.$mountPath;
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['mount_path' => $e->getMessage()],
+                ], 422);
+            }
 
             $storage = LocalFileVolume::create([
                 'fs_path' => $fsPath,

app/Http/Controllers/Api/DatabasesController.php

@@ -3696,10 +3696,11 @@ public function create_storage(Request $request): JsonResponse
             'host_path' => ['string', 'nullable', 'regex:'.ValidationPatterns::DIRECTORY_PATH_PATTERN],
             'content' => 'string|nullable',
             'is_directory' => 'boolean',
+            'is_host_file' => 'boolean',
             'fs_path' => 'string',
         ]);
 
-        $allAllowedFields = ['type', 'name', 'mount_path', 'host_path', 'content', 'is_directory', 'fs_path'];
+        $allAllowedFields = ['type', 'name', 'mount_path', 'host_path', 'content', 'is_directory', 'is_host_file', 'fs_path'];
         $extraFields = array_diff(array_keys($request->all()), $allAllowedFields);
         if ($validator->fails() || ! empty($extraFields)) {
             $errors = $validator->errors();
@@ -3723,7 +3724,7 @@ public function create_storage(Request $request): JsonResponse
                 ], 422);
             }
 
-            $typeSpecificInvalidFields = array_intersect(['content', 'is_directory', 'fs_path'], array_keys($request->all()));
+            $typeSpecificInvalidFields = array_intersect(['content', 'is_directory', 'is_host_file', 'fs_path'], array_keys($request->all()));
             if (! empty($typeSpecificInvalidFields)) {
                 return response()->json([
                     'message' => 'Validation failed.',
@@ -3754,6 +3755,14 @@ public function create_storage(Request $request): JsonResponse
         }
 
         $isDirectory = $request->boolean('is_directory', false);
+        $isHostFile = $request->boolean('is_host_file', false);
+
+        if ($isDirectory && $isHostFile) {
+            return response()->json([
+                'message' => 'Validation failed.',
+                'errors' => ['is_host_file' => 'Host file mounts cannot also be directory mounts.'],
+            ], 422);
+        }
 
         if ($isDirectory) {
             if (! $request->fs_path) {
@@ -3776,12 +3785,50 @@ public function create_storage(Request $request): JsonResponse
                 'resource_id' => $database->id,
                 'resource_type' => get_class($database),
             ]);
+        } elseif ($isHostFile) {
+            if (! $request->fs_path) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['fs_path' => 'The fs_path field is required for host file mounts.'],
+                ], 422);
+            }
+
+            if ($request->filled('content')) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['content' => 'Content is not valid for host file mounts.'],
+                ], 422);
+            }
+
+            try {
+                $fsPath = validateHostFileMountPath($request->fs_path, 'host file source path');
+                $mountPath = validateFileMountPath($request->mount_path, 'host file destination path');
+            } catch (\Throwable $e) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['mount_path' => $e->getMessage()],
+                ], 422);
+            }
+
+            $storage = LocalFileVolume::create([
+                'fs_path' => $fsPath,
+                'mount_path' => $mountPath,
+                'content' => null,
+                'is_directory' => false,
+                'is_host_file' => true,
+                'resource_id' => $database->id,
+                'resource_type' => get_class($database),
+            ]);
         } else {
-            $mountPath = str($request->mount_path)->trim()->start('/')->value();
+            try {
-
+                $mountPath = validateFileMountPath($request->mount_path, 'file storage path');
-            validateShellSafePath($mountPath, 'file storage path');
+                $fsPath = confineFileMountPath(database_configuration_dir().'/'.$database->uuid, $mountPath, 'file storage path');
-
+            } catch (\Throwable $e) {
-            $fsPath = database_configuration_dir().'/'.$database->uuid.$mountPath;
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['mount_path' => $e->getMessage()],
+                ], 422);
+            }
 
             $storage = LocalFileVolume::create([
                 'fs_path' => $fsPath,

app/Http/Controllers/Api/ServicesController.php

@@ -2115,10 +2115,11 @@ public function create_storage(Request $request): JsonResponse
             'host_path' => ['string', 'nullable', 'regex:'.ValidationPatterns::DIRECTORY_PATH_PATTERN],
             'content' => 'string|nullable',
             'is_directory' => 'boolean',
+            'is_host_file' => 'boolean',
             'fs_path' => 'string',
         ]);
 
-        $allAllowedFields = ['type', 'resource_uuid', 'name', 'mount_path', 'host_path', 'content', 'is_directory', 'fs_path'];
+        $allAllowedFields = ['type', 'resource_uuid', 'name', 'mount_path', 'host_path', 'content', 'is_directory', 'is_host_file', 'fs_path'];
         $extraFields = array_diff(array_keys($request->all()), $allAllowedFields);
         if ($validator->fails() || ! empty($extraFields)) {
             $errors = $validator->errors();
@@ -2150,7 +2151,7 @@ public function create_storage(Request $request): JsonResponse
                 ], 422);
             }
 
-            $typeSpecificInvalidFields = array_intersect(['content', 'is_directory', 'fs_path'], array_keys($request->all()));
+            $typeSpecificInvalidFields = array_intersect(['content', 'is_directory', 'is_host_file', 'fs_path'], array_keys($request->all()));
             if (! empty($typeSpecificInvalidFields)) {
                 return response()->json([
                     'message' => 'Validation failed.',
@@ -2181,6 +2182,14 @@ public function create_storage(Request $request): JsonResponse
         }
 
         $isDirectory = $request->boolean('is_directory', false);
+        $isHostFile = $request->boolean('is_host_file', false);
+
+        if ($isDirectory && $isHostFile) {
+            return response()->json([
+                'message' => 'Validation failed.',
+                'errors' => ['is_host_file' => 'Host file mounts cannot also be directory mounts.'],
+            ], 422);
+        }
 
         if ($isDirectory) {
             if (! $request->fs_path) {
@@ -2203,12 +2212,50 @@ public function create_storage(Request $request): JsonResponse
                 'resource_id' => $subResource->id,
                 'resource_type' => get_class($subResource),
             ]);
+        } elseif ($isHostFile) {
+            if (! $request->fs_path) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['fs_path' => 'The fs_path field is required for host file mounts.'],
+                ], 422);
+            }
+
+            if ($request->filled('content')) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['content' => 'Content is not valid for host file mounts.'],
+                ], 422);
+            }
+
+            try {
+                $fsPath = validateHostFileMountPath($request->fs_path, 'host file source path');
+                $mountPath = validateFileMountPath($request->mount_path, 'host file destination path');
+            } catch (\Throwable $e) {
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['mount_path' => $e->getMessage()],
+                ], 422);
+            }
+
+            $storage = LocalFileVolume::create([
+                'fs_path' => $fsPath,
+                'mount_path' => $mountPath,
+                'content' => null,
+                'is_directory' => false,
+                'is_host_file' => true,
+                'resource_id' => $subResource->id,
+                'resource_type' => get_class($subResource),
+            ]);
         } else {
-            $mountPath = str($request->mount_path)->trim()->start('/')->value();
+            try {
-
+                $mountPath = validateFileMountPath($request->mount_path, 'file storage path');
-            validateShellSafePath($mountPath, 'file storage path');
+                $fsPath = confineFileMountPath(service_configuration_dir().'/'.$service->uuid, $mountPath, 'file storage path');
-
+            } catch (\Throwable $e) {
-            $fsPath = service_configuration_dir().'/'.$service->uuid.$mountPath;
+                return response()->json([
+                    'message' => 'Validation failed.',
+                    'errors' => ['mount_path' => $e->getMessage()],
+                ], 422);
+            }
 
             $storage = LocalFileVolume::create([
                 'fs_path' => $fsPath,

app/Jobs/ApplicationDeploymentJob.php

@@ -1031,7 +1031,7 @@ private function write_deployment_configurations()
                 );
             }
             foreach ($this->application->fileStorages as $fileStorage) {
-                if (! $fileStorage->is_based_on_git && ! $fileStorage->is_directory) {
+                if (! $fileStorage->is_host_file && ! $fileStorage->is_based_on_git && ! $fileStorage->is_directory) {
                     $fileStorage->saveStorageOnServer();
                 }
             }

app/Livewire/Project/Service/FileStorage.php

@@ -94,6 +94,10 @@ public function convertToDirectory()
         try {
             $this->authorize('update', $this->resource);
 
+            if ($this->fileStorage->is_host_file) {
+                throw new \Exception('Host file mounts are bind-only and cannot be converted.');
+            }
+
             $this->fileStorage->deleteStorageOnServer();
             $this->fileStorage->is_directory = true;
             $this->fileStorage->content = null;
@@ -112,6 +116,10 @@ public function loadStorageOnServer()
         try {
             $this->authorize('update', $this->resource);
 
+            if ($this->fileStorage->is_host_file) {
+                throw new \Exception('Host file mounts are bind-only and cannot be loaded from the server.');
+            }
+
             $this->fileStorage->loadStorageOnServer();
             $this->syncData();
             $this->dispatch('success', 'File storage loaded from server.');
@@ -127,6 +135,10 @@ public function convertToFile()
         try {
             $this->authorize('update', $this->resource);
 
+            if ($this->fileStorage->is_host_file) {
+                throw new \Exception('Host file mounts are bind-only and cannot be converted.');
+            }
+
             $this->fileStorage->deleteStorageOnServer();
             $this->fileStorage->is_directory = false;
             $this->fileStorage->content = null;
@@ -154,8 +166,10 @@ public function delete($password, $selectedActions = [])
             $message = 'File deleted.';
             if ($this->fileStorage->is_directory) {
                 $message = 'Directory deleted.';
+            } elseif ($this->fileStorage->is_host_file) {
+                $message = 'Host file mount removed.';
             }
-            if ($this->permanently_delete) {
+            if ($this->permanently_delete && ! $this->fileStorage->is_host_file) {
                 $message = 'Directory deleted from the server.';
                 $this->fileStorage->deleteStorageOnServer();
             }
@@ -174,6 +188,12 @@ public function submit()
     {
         $this->authorize('update', $this->resource);
 
+        if ($this->fileStorage->is_host_file) {
+            $this->dispatch('error', 'Host file mounts are bind-only and cannot be edited from the UI.');
+
+            return;
+        }
+
         if ($this->fileStorage->is_too_large) {
             $this->dispatch('error', 'File on server is too large to edit from the UI.');
 
@@ -205,6 +225,12 @@ public function submit()
     public function instantSave(): void
     {
         $this->authorize('update', $this->resource);
+        if ($this->fileStorage->is_host_file) {
+            $this->dispatch('error', 'Host file mounts are bind-only and cannot be edited from the UI.');
+
+            return;
+        }
+
         if ($this->fileStorage->is_too_large) {
             $this->dispatch('error', 'File on server is too large to edit from the UI.');
 
@@ -223,6 +249,9 @@ public function render()
             'fileDeletionCheckboxes' => [
                 ['id' => 'permanently_delete', 'label' => 'The selected file will be permanently deleted form the server.'],
             ],
+            'hostFileDeletionCheckboxes' => [
+                ['id' => 'permanently_delete', 'label' => 'Only the mount configuration will be removed. The host file will not be deleted.'],
+            ],
         ]);
     }
 }

app/Livewire/Project/Service/Storage.php

@@ -29,6 +29,10 @@ class Storage extends Component
 
     public ?string $file_storage_content = null;
 
+    public string $host_file_storage_source = '';
+
+    public string $host_file_storage_destination = '';
+
     public string $file_storage_directory_source = '';
 
     public string $file_storage_directory_destination = '';
@@ -146,19 +150,9 @@ public function submitFileStorage()
                 'file_storage_content' => 'nullable|string',
             ]);
 
-            $this->file_storage_path = trim($this->file_storage_path);
+            $this->file_storage_path = validateFileMountPath($this->file_storage_path, 'file storage path');
-            $this->file_storage_path = str($this->file_storage_path)->start('/')->value();
 
-            // Validate path to prevent command injection
+            $fs_path = confineFileMountPath($this->fileStorageHostPath(), $this->file_storage_path, 'file storage path');
-            validateShellSafePath($this->file_storage_path, 'file storage path');
-
-            if ($this->resource->getMorphClass() === Application::class) {
-                $fs_path = application_configuration_dir().'/'.$this->resource->uuid.$this->file_storage_path;
-            } elseif (str($this->resource->getMorphClass())->contains('Standalone')) {
-                $fs_path = database_configuration_dir().'/'.$this->resource->uuid.$this->file_storage_path;
-            } else {
-                throw new \Exception('No valid resource type for file mount storage type!');
-            }
 
             LocalFileVolume::create([
                 'fs_path' => $fs_path,
@@ -178,6 +172,38 @@ public function submitFileStorage()
         }
     }
 
+    public function submitHostFileStorage()
+    {
+        try {
+            $this->authorize('update', $this->resource);
+
+            $this->validate([
+                'host_file_storage_source' => 'required|string',
+                'host_file_storage_destination' => 'required|string',
+            ]);
+
+            $this->host_file_storage_source = validateHostFileMountPath($this->host_file_storage_source, 'host file source path');
+            $this->host_file_storage_destination = validateFileMountPath($this->host_file_storage_destination, 'host file destination path');
+
+            LocalFileVolume::create([
+                'fs_path' => $this->host_file_storage_source,
+                'mount_path' => $this->host_file_storage_destination,
+                'content' => null,
+                'is_directory' => false,
+                'is_host_file' => true,
+                'resource_id' => $this->resource->id,
+                'resource_type' => get_class($this->resource),
+            ]);
+
+            $this->dispatch('success', 'Host file mount added successfully');
+            $this->dispatch('closeStorageModal', 'host-file');
+            $this->clearForm();
+            $this->refreshStorages();
+        } catch (\Throwable $e) {
+            return handleError($e, $this);
+        }
+    }
+
     public function submitFileStorageDirectory()
     {
         try {
@@ -222,6 +248,8 @@ public function clearForm()
         $this->file_storage_path = '';
         $this->file_storage_content = null;
         $this->file_storage_directory_destination = '';
+        $this->host_file_storage_source = '';
+        $this->host_file_storage_destination = '';
 
         if (str($this->resource->getMorphClass())->contains('Standalone')) {
             $this->file_storage_directory_source = database_configuration_dir()."/{$this->resource->uuid}";
@@ -230,6 +258,34 @@ public function clearForm()
         }
     }
 
+    public function fileStorageHostPath(): string
+    {
+        if (method_exists($this->resource, 'workdir')) {
+            return $this->resource->workdir();
+        }
+
+        if ($this->resource->getMorphClass() === Application::class) {
+            return application_configuration_dir().'/'.$this->resource->uuid;
+        }
+
+        if (str($this->resource->getMorphClass())->contains('Standalone')) {
+            return database_configuration_dir().'/'.$this->resource->uuid;
+        }
+
+        throw new \Exception('No valid resource type for file mount storage type!');
+    }
+
+    public function fileStoragePreviewPath(): string
+    {
+        $path = str($this->file_storage_path)->trim();
+
+        if ($path->isEmpty()) {
+            return $this->fileStorageHostPath().'/';
+        }
+
+        return $this->fileStorageHostPath().$path->start('/')->value();
+    }
+
     public function render()
     {
         return view('livewire.project.service.storage');

app/Models/LocalFileVolume.php

@@ -21,6 +21,7 @@ class LocalFileVolume extends BaseModel
         // 'mount_path' => 'encrypted',
         'content' => 'encrypted',
         'is_directory' => 'boolean',
+        'is_host_file' => 'boolean',
         'is_preview_suffix_enabled' => 'boolean',
     ];
 
@@ -33,6 +34,7 @@ class LocalFileVolume extends BaseModel
         'resource_type',
         'resource_id',
         'is_directory',
+        'is_host_file',
         'chown',
         'chmod',
         'is_based_on_git',
@@ -44,6 +46,10 @@ class LocalFileVolume extends BaseModel
     protected static function booted()
     {
         static::created(function (LocalFileVolume $fileVolume) {
+            if ($fileVolume->is_host_file) {
+                return;
+            }
+
             $fileVolume->load(['service']);
             dispatch(new ServerStorageSaveJob($fileVolume));
         });
@@ -70,6 +76,10 @@ public function service()
 
     public function loadStorageOnServer()
     {
+        if ($this->is_host_file) {
+            return;
+        }
+
         $this->load(['service']);
         $isService = data_get($this->resource, 'service');
         if ($isService) {
@@ -124,6 +134,10 @@ protected function remoteFileExceedsLimit(string $escapedPath, $server): bool
 
     public function deleteStorageOnServer()
     {
+        if ($this->is_host_file) {
+            return;
+        }
+
         $this->load(['service']);
         $isService = data_get($this->resource, 'service');
         if ($isService) {
@@ -161,6 +175,10 @@ public function deleteStorageOnServer()
 
     public function saveStorageOnServer()
     {
+        if ($this->is_host_file) {
+            return;
+        }
+
         $this->load(['service']);
         $isService = data_get($this->resource, 'service');
         if ($isService) {
@@ -171,26 +189,26 @@ public function saveStorageOnServer()
             $server = $this->resource->destination->server;
         }
         $commands = collect([]);
-
-        // Validate fs_path early before any shell interpolation
-        validateShellSafePath($this->fs_path, 'storage path');
-        $escapedFsPath = escapeshellarg($this->fs_path);
         $escapedWorkdir = escapeshellarg($workdir);
 
         if ($this->is_directory) {
+            // Validate fs_path early before any shell interpolation
+            validateShellSafePath($this->fs_path, 'storage path');
+            $escapedFsPath = escapeshellarg($this->fs_path);
             $commands->push("mkdir -p {$escapedFsPath} > /dev/null 2>&1 || true");
             $commands->push("mkdir -p {$escapedWorkdir} > /dev/null 2>&1 || true");
             $commands->push("cd {$escapedWorkdir}");
         }
-        if (str($this->fs_path)->startsWith('.') || str($this->fs_path)->startsWith('/') || str($this->fs_path)->startsWith('~')) {
+        $path = data_get_str($this, 'fs_path');
-            $parent_dir = str($this->fs_path)->beforeLast('/');
+        $content = data_get($this, 'content');
+        $pathForParentDirectory = str($this->fs_path);
+        if ($pathForParentDirectory->startsWith('.') || $pathForParentDirectory->startsWith('/') || $pathForParentDirectory->startsWith('~')) {
+            $parent_dir = $pathForParentDirectory->beforeLast('/');
             if ($parent_dir != '') {
                 $escapedParentDir = escapeshellarg($parent_dir);
                 $commands->push("mkdir -p {$escapedParentDir} > /dev/null 2>&1 || true");
             }
         }
-        $path = data_get_str($this, 'fs_path');
-        $content = data_get($this, 'content');
         if ($path->startsWith('.')) {
             $path = $path->after('.');
             $path = $workdir.$path;

bootstrap/helpers/shared.php

@@ -166,7 +166,7 @@ function validateShellSafePath(string $input, string $context = 'path'): string
 /**
  * Validate that a filename is safe for use as a plain file name (no path components).
  *
- * Prevents path traversal attacks by rejecting directory separators, traversal
+ * Prevents unsafe parent directory paths by rejecting directory separators, parent directory
  * sequences, and null bytes, in addition to all shell metacharacters blocked by
  * validateShellSafePath(). Intended for user-supplied filenames such as PostgreSQL
  * init script names that are later written to a specific directory on the host.
@@ -175,7 +175,7 @@ function validateShellSafePath(string $input, string $context = 'path'): string
  * @param  string  $context  Descriptive name for error messages (e.g., 'init script filename')
  * @return string The validated input (unchanged if valid)
  *
- * @throws Exception If dangerous characters or path traversal sequences are detected
+ * @throws Exception If dangerous characters or parent directory sequences are detected
  */
 function validateFilenameSafe(string $input, string $context = 'filename'): string
 {
@@ -198,10 +198,10 @@ function validateFilenameSafe(string $input, string $context = 'filename'): stri
         );
     }
 
-    // Reject path traversal sequences (catches encoded or unusual forms)
+    // Reject parent directory sequences (catches encoded or unusual forms)
     if (str_contains($input, '..')) {
         throw new Exception(
-            "Invalid {$context}: path traversal sequence ('..') is not allowed."
+            "Invalid {$context}: parent directory sequence ('..') is not allowed."
         );
     }
 
@@ -230,6 +230,197 @@ function validateFilenameSafe(string $input, string $context = 'filename'): stri
     return $input;
 }
 
+/**
+ * Validate and normalize a user supplied file mount path.
+ *
+ * File mount paths are container paths supplied by tenants. They may look like
+ * absolute paths (for example /etc/nginx/nginx.conf), but are later joined to a
+ * Coolify-managed configuration directory on the host. Therefore shell safety is
+ * not enough: every path segment must also be unable to traverse out of that
+ * managed directory.
+ *
+ * @throws Exception
+ */
+function validateFileMountPath(string $input, string $context = 'file mount path'): string
+{
+    validateShellSafePath($input, $context);
+
+    if (str_contains($input, "\0")) {
+        throw new Exception(
+            "Invalid {$context}: contains null byte. ".
+            'Null bytes are not allowed in file mount paths for security reasons.'
+        );
+    }
+
+    if (str_contains($input, '\\')) {
+        throw new Exception(
+            "Invalid {$context}: backslash directory separators are not allowed."
+        );
+    }
+
+    $path = str($input)->trim()->start('/')->replaceMatches('#/+#', '/')->value();
+
+    foreach (explode('/', trim($path, '/')) as $segment) {
+        if ($segment === '' || ($segment !== '.' && $segment !== '..')) {
+            continue;
+        }
+
+        throw new Exception(
+            "Invalid {$context}: relative path segments ('.' or '..') are not allowed."
+        );
+    }
+
+    return $path;
+}
+
+/**
+ * Validate a host file path used as a bind-only source.
+ *
+ * Unlike managed file mounts, this path is not re-based under the Coolify
+ * configuration directory and must never be written by Coolify. It still needs
+ * to be shell-safe because other storage code may pass paths through remote
+ * shell commands.
+ *
+ * @throws Exception
+ */
+function validateHostFileMountPath(string $input, string $context = 'host file path'): string
+{
+    validateShellSafePath($input, $context);
+
+    if (str_contains($input, "\0")) {
+        throw new Exception("Invalid {$context}: contains null byte.");
+    }
+
+    if (str_contains($input, '\\')) {
+        throw new Exception("Invalid {$context}: backslash directory separators are not allowed.");
+    }
+
+    $path = str($input)->trim()->replaceMatches('#/+#', '/')->value();
+
+    if ($path === '' || ! str_starts_with($path, '/')) {
+        throw new Exception("Invalid {$context}: must be an absolute path.");
+    }
+
+    if ($path === '/' || str_ends_with($path, '/')) {
+        throw new Exception("Invalid {$context}: must point to a file, not a directory.");
+    }
+
+    foreach (explode('/', trim($path, '/')) as $segment) {
+        if ($segment === '' || ($segment !== '.' && $segment !== '..')) {
+            continue;
+        }
+
+        throw new Exception("Invalid {$context}: relative path segments ('.' or '..') are not allowed.");
+    }
+
+    return normalizeUnixPath($path);
+}
+
+/**
+ * Resolve a tenant file mount path under a Coolify-managed base directory.
+ *
+ * This performs lexical normalization only; the target file does not need to
+ * exist yet. The normalized result must remain inside the given base directory.
+ *
+ * @throws Exception
+ */
+function confineFileMountPath(string $baseDirectory, string $path, string $context = 'file mount path'): string
+{
+    $baseDirectory = normalizeUnixPath($baseDirectory);
+    $mountPath = validateFileMountPath($path, $context);
+    $resolvedPath = normalizeUnixPath($baseDirectory.'/'.$mountPath);
+
+    if ($resolvedPath !== $baseDirectory && ! str_starts_with($resolvedPath, $baseDirectory.'/')) {
+        throw new Exception(
+            "Invalid {$context}: resolved path must stay inside the resource configuration directory."
+        );
+    }
+
+    return $resolvedPath;
+}
+
+/**
+ * Normalize an existing host path and assert it remains inside a base directory.
+ *
+ * Dot-relative paths are resolved against the base directory for legacy
+ * LocalFileVolume rows. Absolute paths must already point inside the base.
+ *
+ * @throws Exception
+ */
+function confinePathToBase(string $baseDirectory, string $path, string $context = 'path'): string
+{
+    $baseDirectory = normalizeUnixPath($baseDirectory);
+    $path = trim($path);
+
+    if (str_starts_with($path, '.')) {
+        $path = $baseDirectory.'/'.str($path)->after('.')->value();
+    } elseif (! str_starts_with($path, '/')) {
+        $path = $baseDirectory.'/'.$path;
+    }
+
+    $resolvedPath = normalizeUnixPath($path);
+
+    if ($resolvedPath !== $baseDirectory && ! str_starts_with($resolvedPath, $baseDirectory.'/')) {
+        throw new Exception(
+            "Invalid {$context}: resolved path must stay inside the resource configuration directory."
+        );
+    }
+
+    return $resolvedPath;
+}
+
+/**
+ * Normalize a Unix path lexically without consulting the remote filesystem.
+ *
+ * @throws Exception
+ */
+function normalizeUnixPath(string $path): string
+{
+    validateShellSafePath($path, 'path');
+
+    if (str_contains($path, "\0")) {
+        throw new Exception('Invalid path: contains null byte.');
+    }
+
+    if (str_contains($path, '\\')) {
+        throw new Exception('Invalid path: backslash directory separators are not allowed.');
+    }
+
+    $isAbsolute = str_starts_with($path, '/');
+    $segments = [];
+
+    foreach (explode('/', $path) as $segment) {
+        if ($segment === '' || $segment === '.') {
+            continue;
+        }
+
+        if ($segment === '..') {
+            if ($segments === [] || end($segments) === '..') {
+                if ($isAbsolute) {
+                    throw new Exception('Invalid path: resolved path escapes the base directory.');
+                }
+                $segments[] = $segment;
+
+                continue;
+            }
+
+            array_pop($segments);
+
+            continue;
+        }
+
+        $segments[] = $segment;
+    }
+
+    $normalized = implode('/', $segments);
+
+    if ($isAbsolute) {
+        return $normalized === '' ? '/' : '/'.$normalized;
+    }
+
+    return $normalized === '' ? '.' : $normalized;
+}
+
 /**
  * Validate that a databases_to_backup input string is safe from command injection.
  *
@@ -3819,7 +4010,7 @@ function formatBytes(?int $bytes, int $precision = 2): string
 
 /**
  * Validates that a file path is safely within the /tmp/ directory.
- * Protects against path traversal attacks by resolving the real path
+ * Protects against unsafe parent directory paths by resolving the real path
  * and verifying it stays within /tmp/.
  *
  * Note: On macOS, /tmp is often a symlink to /private/tmp, which is handled.

database/migrations/2026_07_02_112425_add_is_host_file_to_local_file_volumes_table.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        if (Schema::hasColumn('local_file_volumes', 'is_host_file')) {
+            return;
+        }
+
+        Schema::table('local_file_volumes', function (Blueprint $table) {
+            $table->boolean('is_host_file')->default(false)->after('is_directory');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        if (! Schema::hasColumn('local_file_volumes', 'is_host_file')) {
+            return;
+        }
+
+        Schema::table('local_file_volumes', function (Blueprint $table) {
+            $table->dropColumn('is_host_file');
+        });
+    }
+};

database/schema/testing-schema.sql

@@ -433,6 +433,7 @@ CREATE TABLE IF NOT EXISTS "local_file_volumes" (
     "created_at" TEXT,
     "updated_at" TEXT,
     "is_directory" INTEGER DEFAULT false NOT NULL,
+    "is_host_file" INTEGER DEFAULT false NOT NULL,
     "chown" TEXT,
     "chmod" TEXT,
     "is_based_on_git" INTEGER DEFAULT false NOT NULL

resources/views/livewire/project/service/file-storage.blade.php

@@ -4,6 +4,10 @@
             <div class="w-full p-2 text-sm rounded bg-warning/10 text-warning">
                 File on server exceeds 5 MB and cannot be edited from the UI. Edit it directly on the server.
             </div>
+        @elseif ($fileStorage->is_host_file)
+            <div class="w-full p-2 text-sm rounded bg-warning/10 text-warning">
+                This host file mount is bind-only. Coolify will not create, edit, load, chmod, or delete the source file.
+            </div>
         @elseif ($isReadOnly)
             <div class="w-full p-2 text-sm rounded bg-warning/10 text-warning">
                 @if ($fileStorage->is_directory)
@@ -32,7 +36,14 @@
             @if (!$isReadOnly)
                 @can('update', $resource)
                     <div class="flex gap-2">
-                        @if ($fileStorage->is_directory)
+                        @if ($fileStorage->is_host_file)
+                            <x-modal-confirmation :ignoreWire="false" title="Confirm Host File Mount Removal?"
+                                buttonTitle="Delete" isErrorButton submitAction="delete" :checkboxes="$hostFileDeletionCheckboxes"
+                                :actions="['Only the mount configuration will be removed. The host file will not be deleted.']"
+                                confirmationText="{{ $fs_path }}"
+                                confirmationLabel="Please confirm the execution of the actions by entering the Filepath below"
+                                shortConfirmationLabel="Filepath" />
+                        @elseif ($fileStorage->is_directory)
                             <x-modal-confirmation :ignoreWire="false" title="Confirm Directory Conversion to File?"
                                 buttonTitle="Convert to file" submitAction="convertToFile" :actions="[
                                     'All files in this directory will be permanently deleted and an empty file will be created in its place.',
@@ -68,7 +79,7 @@
                         @endif
                     </div>
                 @endcan
-                @if (!$fileStorage->is_directory)
+                @if (!$fileStorage->is_directory && !$fileStorage->is_host_file)
                     @can('update', $resource)
                         @if (data_get($resource, 'settings.is_preserve_repository_enabled'))
                             <div class="w-full sm:w-96">
@@ -99,7 +110,7 @@
                 @endif
             @else
                 {{-- Read-only view --}}
-                @if (!$fileStorage->is_directory)
+                @if (!$fileStorage->is_directory && !$fileStorage->is_host_file)
                     @can('update', $resource)
                         <div class="flex gap-2">
                             <x-forms.button type="button" wire:click="loadStorageOnServer">Load from

resources/views/livewire/project/service/storage.blade.php

@@ -22,11 +22,13 @@
                             dropdownOpen: false,
                             volumeModalOpen: false,
                             fileModalOpen: false,
+                            hostFileModalOpen: false,
                             directoryModalOpen: false
                         }"
                             @close-storage-modal.window="
                             if ($event.detail === 'volume') volumeModalOpen = false;
                             if ($event.detail === 'file') fileModalOpen = false;
+                            if ($event.detail === 'host-file') hostFileModalOpen = false;
                             if ($event.detail === 'directory') directoryModalOpen = false;
                         ">
                             <div class="relative" @click.outside="dropdownOpen = false">
@@ -62,6 +64,15 @@ class="p-1 mt-1 bg-white border rounded-sm shadow-sm dark:bg-coolgray-200 dark:b
                                                 </svg>
                                                 File Mount
                                             </a>
+                                            <a class="dropdown-item"
+                                                @click="hostFileModalOpen = true; dropdownOpen = false">
+                                                <svg class="size-4" fill="none" stroke="currentColor"
+                                                    viewBox="0 0 24 24">
+                                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                                        d="M7 21h10a2 2 0 002-2V9.414a1 1 0 00-.293-.707l-5.414-5.414A1 1 0 0012.586 3H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
+                                                </svg>
+                                                Host File Mount
+                                            </a>
                                             <a class="dropdown-item"
                                                 @click="directoryModalOpen = true; dropdownOpen = false">
                                                 <svg class="size-4" fill="none" stroke="currentColor"
@@ -188,14 +199,28 @@ class="absolute top-0 right-0 flex items-center justify-center w-8 h-8 mt-5 mr-5
                                                 }
                                             })">
                                             <form class="flex flex-col w-full gap-2 rounded-sm"
+                                                x-data="{
+                                                    hostPath: @js($this->fileStorageHostPath()),
+                                                    filePath: @entangle('file_storage_path'),
+                                                    previewPath() {
+                                                        const path = (this.filePath || '').trim();
+
+                                                        return this.hostPath + (path === '' ? '/' : (path.startsWith('/') ? path : `/${path}`));
+                                                    },
+                                                }"
                                                 wire:submit='submitFileStorage'>
                                                 <div class="flex flex-col">
-                                                    <div>Actual file mounted from the host system to the container.</div>
+                                                    <div>This file will be created on the host, then mounted into the container.</div>
                                                 </div>
                                                 <div class="flex flex-col gap-2">
+                                                    <div class="p-2 text-xs rounded-sm bg-neutral-100 dark:bg-coolgray-200">
+                                                        <div class="mb-1 font-medium">Host file path</div>
+                                                        <code class="break-all" x-text="previewPath()">{{ $this->fileStoragePreviewPath() }}</code>
+                                                    </div>
                                                     <x-forms.input canGate="update" :canResource="$resource"
                                                         placeholder="/etc/nginx/nginx.conf" id="file_storage_path"
                                                         label="Destination Path" required
+                                                        x-on:input="filePath = $event.target.value"
                                                         helper="File location inside the container" />
                                                     <x-forms.textarea canGate="update" :canResource="$resource" label="Content"
                                                         id="file_storage_content"></x-forms.textarea>
@@ -209,6 +234,67 @@ class="absolute top-0 right-0 flex items-center justify-center w-8 h-8 mt-5 mr-5
                                 </div>
                             </template>
 
+                            {{-- Host File Modal --}}
+                            <template x-teleport="body">
+                                <div x-show="hostFileModalOpen" @keydown.window.escape="hostFileModalOpen=false"
+                                    class="fixed top-0 left-0 lg:px-0 px-4 z-99 flex items-center justify-center w-screen h-screen">
+                                    <div x-show="hostFileModalOpen" x-transition:enter="ease-out duration-100"
+                                        x-transition:enter-start="opacity-0" x-transition:enter-end="opacity-100"
+                                        x-transition:leave="ease-in duration-100" x-transition:leave-start="opacity-100"
+                                        x-transition:leave-end="opacity-0" @click="hostFileModalOpen=false"
+                                        class="absolute inset-0 w-full h-full bg-black/20 backdrop-blur-xs"></div>
+                                    <div x-show="hostFileModalOpen" x-trap.inert.noscroll="hostFileModalOpen"
+                                        x-transition:enter="ease-out duration-100"
+                                        x-transition:enter-start="opacity-0 -translate-y-2 sm:scale-95"
+                                        x-transition:enter-end="opacity-100 translate-y-0 sm:scale-100"
+                                        x-transition:leave="ease-in duration-100"
+                                        x-transition:leave-start="opacity-100 translate-y-0 sm:scale-100"
+                                        x-transition:leave-end="opacity-0 -translate-y-2 sm:scale-95"
+                                        class="relative w-full py-6 border rounded-sm drop-shadow-sm min-w-full lg:min-w-[36rem] max-w-fit bg-white border-neutral-200 dark:bg-base px-6 dark:border-coolgray-300">
+                                        <div class="flex items-center justify-between pb-3">
+                                            <h3 class="text-2xl font-bold">Add Host File Mount</h3>
+                                            <button @click="hostFileModalOpen=false"
+                                                class="absolute top-0 right-0 flex items-center justify-center w-8 h-8 mt-5 mr-5 rounded-full dark:text-white hover:bg-neutral-100 dark:hover:bg-coolgray-300 outline-0 focus-visible:ring-2 focus-visible:ring-coollabs dark:focus-visible:ring-warning">
+                                                <svg class="w-5 h-5" xmlns="http://www.w3.org/2000/svg" fill="none"
+                                                    viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
+                                                    <path stroke-linecap="round" stroke-linejoin="round"
+                                                        d="M6 18L18 6M6 6l12 12" />
+                                                </svg>
+                                            </button>
+                                        </div>
+                                        <div class="relative flex items-center justify-center w-auto"
+                                            x-init="$watch('hostFileModalOpen', value => {
+                                                if (value) {
+                                                    $nextTick(() => {
+                                                        const input = $el.querySelector('input');
+                                                        input?.focus();
+                                                    })
+                                                }
+                                            })">
+                                            <form class="flex flex-col w-full gap-2 rounded-sm"
+                                                wire:submit='submitHostFileStorage'>
+                                                <div class="flex flex-col">
+                                                    <div>Bind an existing host file into the container. Coolify will not create, edit, load, chmod, or delete the source file.</div>
+                                                </div>
+                                                <div class="flex flex-col gap-2">
+                                                    <x-forms.input canGate="update" :canResource="$resource"
+                                                        placeholder="/etc/nginx/nginx.conf"
+                                                        id="host_file_storage_source" label="Host File Path" required
+                                                        helper="Existing file on the host system." />
+                                                    <x-forms.input canGate="update" :canResource="$resource"
+                                                        placeholder="/etc/nginx/nginx.conf"
+                                                        id="host_file_storage_destination" label="Destination Path"
+                                                        required helper="File location inside the container." />
+                                                    <x-forms.button canGate="update" :canResource="$resource" type="submit">
+                                                        Add
+                                                    </x-forms.button>
+                                                </div>
+                                            </form>
+                                        </div>
+                                    </div>
+                                </div>
+                            </template>
+
                             {{-- Directory Modal --}}
                             <template x-teleport="body">
                                 <div x-show="directoryModalOpen" @keydown.window.escape="directoryModalOpen=false"

templates/service-templates-latest.json

@@ -2361,7 +2361,7 @@
         "category": "automation",
         "logo": "svgs/inngest.png",
         "minversion": "0.0.0",
-        "template_last_updated_at": "2026-06-10T13:46:21+05:30",
+        "template_last_updated_at": "2026-07-02T13:25:47+02:00",
         "port": "8288"
     },
     "invoice-ninja": {

templates/service-templates.json

@@ -2361,7 +2361,7 @@
         "category": "automation",
         "logo": "svgs/inngest.png",
         "minversion": "0.0.0",
-        "template_last_updated_at": "2026-06-10T13:46:21+05:30",
+        "template_last_updated_at": "2026-07-02T13:25:47+02:00",
         "port": "8288"
     },
     "invoice-ninja": {

tests/Feature/FileStorageMountPathTest.php

@@ -0,0 +1,123 @@
+<?php
+
+use App\Jobs\ServerStorageSaveJob;
+use App\Livewire\Project\Service\Storage;
+use App\Models\Application;
+use App\Models\Environment;
+use App\Models\InstanceSettings;
+use App\Models\LocalFileVolume;
+use App\Models\Project;
+use App\Models\Server;
+use App\Models\StandaloneDocker;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Bus;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+use Livewire\Livewire;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    config(['app.maintenance.store' => 'array', 'cache.default' => 'array']);
+    Bus::fake();
+    InstanceSettings::unguarded(fn () => InstanceSettings::updateOrCreate(['id' => 0], ['id' => 0]));
+
+    $this->team = Team::factory()->create();
+    $this->admin = User::factory()->create();
+    $this->admin->teams()->attach($this->team, ['role' => 'admin']);
+
+    $keyId = DB::table('private_keys')->insertGetId([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test Key',
+        'private_key' => 'test-key',
+        'team_id' => $this->team->id,
+        'created_at' => now(),
+        'updated_at' => now(),
+    ]);
+
+    $this->server = Server::factory()->create([
+        'team_id' => $this->team->id,
+        'private_key_id' => $keyId,
+    ]);
+
+    StandaloneDocker::withoutEvents(function () {
+        $this->destination = StandaloneDocker::firstOrCreate(
+            ['server_id' => $this->server->id, 'network' => 'coolify'],
+            ['uuid' => (string) Str::uuid(), 'name' => 'test-docker']
+        );
+    });
+
+    $this->project = Project::create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test Project',
+        'team_id' => $this->team->id,
+    ]);
+
+    $this->environment = $this->project->environments()->first()
+        ?? Environment::factory()->create(['project_id' => $this->project->id]);
+
+    $this->application = Application::factory()->create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test App',
+        'environment_id' => $this->environment->id,
+        'destination_id' => $this->destination->id,
+        'destination_type' => $this->destination->getMorphClass(),
+    ]);
+
+    $this->actingAs($this->admin);
+    session(['currentTeam' => $this->team]);
+});
+
+test('livewire file storage rejects parent segments and does not create a local file volume', function () {
+    Livewire::test(Storage::class, ['resource' => $this->application])
+        ->set('file_storage_path', '/../../../../../../etc/example.conf')
+        ->set('file_storage_content', 'owned')
+        ->call('submitFileStorage')
+        ->assertDispatched('error');
+
+    expect(LocalFileVolume::query()->count())->toBe(0);
+});
+
+test('file mount modal shows the calculated host file path above the destination input', function () {
+    Livewire::test(Storage::class, ['resource' => $this->application])
+        ->assertSeeText('This file will be created on the host, then mounted into the container.')
+        ->assertSeeText('Host file path')
+        ->assertSeeText($this->application->workdir().'/')
+        ->set('file_storage_path', '/etc/nginx/nginx.conf')
+        ->assertSeeText($this->application->workdir().'/etc/nginx/nginx.conf')
+        ->assertDontSeeText('Actual file mounted from the host system to the container.');
+});
+
+test('livewire file storage stores safe file mounts under the application configuration root', function () {
+    Livewire::test(Storage::class, ['resource' => $this->application])
+        ->set('file_storage_path', '/etc/nginx/nginx.conf')
+        ->set('file_storage_content', 'server {}')
+        ->call('submitFileStorage')
+        ->assertDispatched('success');
+
+    $volume = LocalFileVolume::query()->sole();
+
+    expect($volume->mount_path)->toBe('/etc/nginx/nginx.conf')
+        ->and($volume->fs_path)->toBe(application_configuration_dir().'/'.$this->application->uuid.'/etc/nginx/nginx.conf')
+        ->and($volume->is_directory)->toBeFalse();
+});
+
+test('livewire host file storage stores an existing host file path without managed content', function () {
+    Livewire::test(Storage::class, ['resource' => $this->application])
+        ->set('host_file_storage_source', '/etc/nginx/nginx.conf')
+        ->set('host_file_storage_destination', '/etc/nginx/nginx.conf')
+        ->call('submitHostFileStorage')
+        ->assertDispatched('success');
+
+    $volume = LocalFileVolume::query()->sole();
+
+    expect($volume->fs_path)->toBe('/etc/nginx/nginx.conf')
+        ->and($volume->mount_path)->toBe('/etc/nginx/nginx.conf')
+        ->and($volume->content)->toBeNull()
+        ->and($volume->is_host_file)->toBeTrue()
+        ->and($volume->is_directory)->toBeFalse();
+
+    Bus::assertNotDispatched(ServerStorageSaveJob::class);
+});

tests/Feature/StorageApiTest.php

@@ -1,5 +1,6 @@
 <?php
 
+use App\Jobs\ServerStorageSaveJob;
 use App\Models\Application;
 use App\Models\Environment;
 use App\Models\InstanceSettings;
@@ -7,6 +8,8 @@
 use App\Models\LocalPersistentVolume;
 use App\Models\Project;
 use App\Models\Server;
+use App\Models\Service;
+use App\Models\ServiceApplication;
 use App\Models\StandaloneDocker;
 use App\Models\StandalonePostgresql;
 use App\Models\Team;
@@ -18,8 +21,9 @@
 uses(RefreshDatabase::class);
 
 beforeEach(function () {
+    config(['app.maintenance.store' => 'array', 'cache.default' => 'array']);
     Bus::fake();
-    InstanceSettings::updateOrCreate(['id' => 0]);
+    InstanceSettings::unguarded(fn () => InstanceSettings::updateOrCreate(['id' => 0], ['id' => 0]));
 
     $this->team = Team::factory()->create();
     $this->user = User::factory()->create();
@@ -61,6 +65,24 @@ function createTestDatabase($context): StandalonePostgresql
     ]);
 }
 
+function createTestServiceApplication($context): array
+{
+    $service = Service::factory()->create([
+        'environment_id' => $context->environment->id,
+        'destination_id' => $context->destination->id,
+        'destination_type' => $context->destination->getMorphClass(),
+    ]);
+
+    $serviceApplication = ServiceApplication::create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'test-service-app',
+        'service_id' => $service->id,
+        'image' => 'nginx:alpine',
+    ]);
+
+    return [$service, $serviceApplication];
+}
+
 // ──────────────────────────────────────────────────────────────
 // Application Storage Endpoints
 // ──────────────────────────────────────────────────────────────
@@ -140,6 +162,56 @@ function createTestDatabase($context): StandalonePostgresql
         expect($vol)->not->toBeNull();
         expect($vol->mount_path)->toBe('/app/config.json');
         expect($vol->is_directory)->toBeFalse();
+        expect($vol->fs_path)->toBe(application_configuration_dir().'/'.$app->uuid.'/app/config.json');
+    });
+
+    test('creates bind only host file storage for application', function () {
+        $app = createTestApplication($this);
+
+        $response = $this->withHeaders([
+            'Authorization' => 'Bearer '.$this->bearerToken,
+            'Content-Type' => 'application/json',
+        ])->postJson("/api/v1/applications/{$app->uuid}/storages", [
+            'type' => 'file',
+            'is_host_file' => true,
+            'fs_path' => '/etc/nginx/nginx.conf',
+            'mount_path' => '/etc/nginx/nginx.conf',
+        ]);
+
+        $response->assertStatus(201);
+
+        $vol = LocalFileVolume::where('resource_id', $app->id)
+            ->where('resource_type', get_class($app))
+            ->first();
+
+        expect($vol)->not->toBeNull();
+        expect($vol->fs_path)->toBe('/etc/nginx/nginx.conf');
+        expect($vol->mount_path)->toBe('/etc/nginx/nginx.conf');
+        expect($vol->content)->toBeNull();
+        expect($vol->is_host_file)->toBeTrue();
+        expect($vol->is_directory)->toBeFalse();
+
+        Bus::assertNotDispatched(ServerStorageSaveJob::class);
+    });
+
+    test('rejects file storage paths with parent segments', function () {
+        $app = createTestApplication($this);
+
+        $response = $this->withHeaders([
+            'Authorization' => 'Bearer '.$this->bearerToken,
+            'Content-Type' => 'application/json',
+        ])->postJson("/api/v1/applications/{$app->uuid}/storages", [
+            'type' => 'file',
+            'mount_path' => '/../../../../../../etc/example.conf',
+            'content' => 'owned',
+        ]);
+
+        $response->assertStatus(422);
+        $response->assertJsonPath('message', 'Validation failed.');
+
+        expect(LocalFileVolume::where('resource_id', $app->id)
+            ->where('resource_type', get_class($app))
+            ->exists())->toBeFalse();
     });
 
     test('rejects persistent storage without name', function () {
@@ -331,6 +403,92 @@ function createTestDatabase($context): StandalonePostgresql
         expect($vol)->not->toBeNull();
         expect($vol->mount_path)->toBe('/extra');
     });
+
+    test('creates a file storage for a database under the database configuration root', function () {
+        $db = createTestDatabase($this);
+
+        $response = $this->withHeaders([
+            'Authorization' => 'Bearer '.$this->bearerToken,
+            'Content-Type' => 'application/json',
+        ])->postJson("/api/v1/databases/{$db->uuid}/storages", [
+            'type' => 'file',
+            'mount_path' => '/postgres/postgresql.conf',
+            'content' => 'listen_addresses = "*"',
+        ]);
+
+        $response->assertStatus(201);
+
+        $vol = LocalFileVolume::where('resource_id', $db->id)
+            ->where('resource_type', get_class($db))
+            ->first();
+
+        expect($vol)->not->toBeNull();
+        expect($vol->fs_path)->toBe(database_configuration_dir().'/'.$db->uuid.'/postgres/postgresql.conf');
+    });
+
+    test('rejects file storage paths with parent segments for a database', function () {
+        $db = createTestDatabase($this);
+
+        $response = $this->withHeaders([
+            'Authorization' => 'Bearer '.$this->bearerToken,
+            'Content-Type' => 'application/json',
+        ])->postJson("/api/v1/databases/{$db->uuid}/storages", [
+            'type' => 'file',
+            'mount_path' => '/postgres/../../../etc/shadow',
+            'content' => 'owned',
+        ]);
+
+        $response->assertStatus(422);
+
+        expect(LocalFileVolume::where('resource_id', $db->id)
+            ->where('resource_type', get_class($db))
+            ->exists())->toBeFalse();
+    });
+});
+
+describe('POST /api/v1/services/{uuid}/storages', function () {
+    test('creates a file storage for a service resource under the service configuration root', function () {
+        [$service, $serviceApplication] = createTestServiceApplication($this);
+
+        $response = $this->withHeaders([
+            'Authorization' => 'Bearer '.$this->bearerToken,
+            'Content-Type' => 'application/json',
+        ])->postJson("/api/v1/services/{$service->uuid}/storages", [
+            'type' => 'file',
+            'resource_uuid' => $serviceApplication->uuid,
+            'mount_path' => '/etc/nginx/nginx.conf',
+            'content' => 'server {}',
+        ]);
+
+        $response->assertStatus(201);
+
+        $vol = LocalFileVolume::where('resource_id', $serviceApplication->id)
+            ->where('resource_type', get_class($serviceApplication))
+            ->first();
+
+        expect($vol)->not->toBeNull();
+        expect($vol->fs_path)->toBe(service_configuration_dir().'/'.$service->uuid.'/etc/nginx/nginx.conf');
+    });
+
+    test('rejects file storage paths with parent segments for a service resource', function () {
+        [$service, $serviceApplication] = createTestServiceApplication($this);
+
+        $response = $this->withHeaders([
+            'Authorization' => 'Bearer '.$this->bearerToken,
+            'Content-Type' => 'application/json',
+        ])->postJson("/api/v1/services/{$service->uuid}/storages", [
+            'type' => 'file',
+            'resource_uuid' => $serviceApplication->uuid,
+            'mount_path' => '/../../../../../../root/.ssh/authorized_keys',
+            'content' => 'owned',
+        ]);
+
+        $response->assertStatus(422);
+
+        expect(LocalFileVolume::where('resource_id', $serviceApplication->id)
+            ->where('resource_type', get_class($serviceApplication))
+            ->exists())->toBeFalse();
+    });
 });
 
 describe('PATCH /api/v1/databases/{uuid}/storages', function () {

tests/Unit/FileStorageSecurityTest.php

@@ -141,3 +141,77 @@
     expect(fn () => validateShellSafePath('./data', 'storage path'))
         ->not->toThrow(Exception::class);
 });
+
+test('file mount path validator rejects parent segments and unsafe separators', function (string $path) {
+    expect(fn () => validateFileMountPath($path, 'file storage path'))
+        ->toThrow(Exception::class);
+})->with([
+    'parent segment to etc' => ['/../../etc/passwd'],
+    'embedded parent segment' => ['/foo/../bar'],
+    'parent segment' => ['/..'],
+    'double slash before parent segment' => ['/foo//../bar'],
+    'current directory segment' => ['/foo/./bar'],
+    'backslash parent segment' => ['\\..\\etc\\passwd'],
+    'null byte' => ["/app/config\0/../../etc/passwd"],
+]);
+
+test('file mount path validator accepts safe absolute container file paths', function (string $path, string $expected) {
+    expect(validateFileMountPath($path, 'file storage path'))->toBe($expected);
+})->with([
+    'nginx config' => ['/etc/nginx/nginx.conf', '/etc/nginx/nginx.conf'],
+    'app env filename' => ['/app/.env', '/app/.env'],
+    'relative input becomes absolute' => ['config/app.yaml', '/config/app.yaml'],
+    'duplicate slashes collapse' => ['/opt//app///config.json', '/opt/app/config.json'],
+]);
+
+test('host file mount path validator accepts absolute host file paths', function () {
+    expect(validateHostFileMountPath('/etc/nginx/nginx.conf', 'host file path'))
+        ->toBe('/etc/nginx/nginx.conf');
+});
+
+test('host file mount path validator rejects ambiguous or directory paths', function (string $path) {
+    expect(fn () => validateHostFileMountPath($path, 'host file path'))
+        ->toThrow(Exception::class);
+})->with([
+    'relative path' => ['etc/nginx/nginx.conf'],
+    'root directory' => ['/'],
+    'trailing slash' => ['/etc/nginx/'],
+    'parent segment' => ['/etc/../shadow'],
+    'current segment' => ['/etc/./nginx.conf'],
+    'backslash' => ['\\etc\\nginx.conf'],
+]);
+
+test('confined path resolver keeps file mounts inside their resource configuration root', function () {
+    expect(confineFileMountPath('/data/coolify/applications/app-uuid', '/etc/nginx/nginx.conf', 'file storage path'))
+        ->toBe('/data/coolify/applications/app-uuid/etc/nginx/nginx.conf');
+
+    expect(confineFileMountPath('/data/coolify/databases/db-uuid/', 'postgres/postgresql.conf', 'file storage path'))
+        ->toBe('/data/coolify/databases/db-uuid/postgres/postgresql.conf');
+
+    expect(confineFileMountPath('/data/coolify/services/service-uuid', '/config.yaml', 'file storage path'))
+        ->toBe('/data/coolify/services/service-uuid/config.yaml');
+});
+
+test('confined path resolver rejects paths that escape the resource configuration root', function (string $base, string $path) {
+    expect(fn () => confineFileMountPath($base, $path, 'file storage path'))
+        ->toThrow(Exception::class);
+})->with([
+    'application parent segment' => ['/data/coolify/applications/app-uuid', '/../../etc/passwd'],
+    'database parent segment' => ['/data/coolify/databases/db-uuid', '/postgres/../../../etc/shadow'],
+    'service dot segment' => ['/data/coolify/services/service-uuid', '/./config.yaml'],
+]);
+
+test('local file volume write sink keeps saved managed file paths for compatibility', function () {
+    $source = file_get_contents(__DIR__.'/../../app/Models/LocalFileVolume.php');
+
+    expect($source)->not->toContain('confinePathToBase($workdir, $path->value(), \'storage path\')')
+        ->and($source)->toContain('tee {$escapedPath}');
+});
+
+test('host file mounts are bind-only and skipped by server storage writes', function () {
+    $source = file_get_contents(__DIR__.'/../../app/Models/LocalFileVolume.php');
+
+    expect($source)->toContain('if ($this->is_host_file) {')
+        ->and($source)->toContain('return;')
+        ->and($source)->toContain('tee {$escapedPath}');
+});