diff --git a/app/Jobs/ApplicationDeploymentJob.php b/app/Jobs/ApplicationDeploymentJob.php
index b51d04fca..fcd619fd4 100644
--- a/app/Jobs/ApplicationDeploymentJob.php
+++ b/app/Jobs/ApplicationDeploymentJob.php
@@ -2133,7 +2133,7 @@ private function check_git_if_build_needed()
                     executeInDocker($this->deployment_uuid, 'chmod 600 /root/.ssh/id_rsa'),
                 ],
                 [
-                    executeInDocker($this->deployment_uuid, "GIT_SSH_COMMAND=\"ssh -o ConnectTimeout=30 -p {$this->customPort} -o Port={$this->customPort} -o LogLevel=ERROR -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null\" git ls-remote {$this->fullRepoUrl} {$lsRemoteRef}"),
+                    executeInDocker($this->deployment_uuid, "GIT_SSH_COMMAND=\"ssh -o ConnectTimeout=30 -p {$this->customPort} -o Port={$this->customPort} -o LogLevel=ERROR -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i /root/.ssh/id_rsa\" git ls-remote {$this->fullRepoUrl} {$lsRemoteRef}"),
                     'hidden' => true,
                     'save' => 'git_commit_sha',
                 ]
diff --git a/app/Livewire/Project/New/GithubPrivateRepositoryDeployKey.php b/app/Livewire/Project/New/GithubPrivateRepositoryDeployKey.php
index b9af20c76..e46ad7d78 100644
--- a/app/Livewire/Project/New/GithubPrivateRepositoryDeployKey.php
+++ b/app/Livewire/Project/New/GithubPrivateRepositoryDeployKey.php
@@ -57,16 +57,6 @@ class GithubPrivateRepositoryDeployKey extends Component
 
     private ?string $git_repository = null;
 
-    protected $rules = [
-        'repository_url' => ['required', 'string'],
-        'branch' => ['required', 'string'],
-        'port' => 'required|numeric',
-        'is_static' => 'required|boolean',
-        'publish_directory' => 'nullable|string',
-        'build_pack' => 'required|string',
-        'docker_compose_location' => \App\Support\ValidationPatterns::filePathRules(),
-    ];
-
     protected function rules()
     {
         return [
diff --git a/app/Livewire/Project/New/PublicGitRepository.php b/app/Livewire/Project/New/PublicGitRepository.php
index cc2510a66..3df31a6a3 100644
--- a/app/Livewire/Project/New/PublicGitRepository.php
+++ b/app/Livewire/Project/New/PublicGitRepository.php
@@ -63,16 +63,6 @@ class PublicGitRepository extends Component
 
     public bool $new_compose_services = false;
 
-    protected $rules = [
-        'repository_url' => ['required', 'string'],
-        'port' => 'required|numeric',
-        'isStatic' => 'required|boolean',
-        'publish_directory' => 'nullable|string',
-        'build_pack' => 'required|string',
-        'base_directory' => 'nullable|string',
-        'docker_compose_location' => \App\Support\ValidationPatterns::filePathRules(),
-    ];
-
     protected function rules()
     {
         return [
diff --git a/app/Models/Application.php b/app/Models/Application.php
index 9f59445d8..82e4d6311 100644
--- a/app/Models/Application.php
+++ b/app/Models/Application.php
@@ -989,17 +989,24 @@ public function isPRDeployable(): bool
 
     public function deploymentType()
     {
-        if (isDev() && data_get($this, 'private_key_id') === 0) {
+        $privateKeyId = data_get($this, 'private_key_id');
+
+        // Real private key (id > 0) always takes precedence
+        if ($privateKeyId !== null && $privateKeyId > 0) {
             return 'deploy_key';
         }
-        if (! is_null(data_get($this, 'private_key_id'))) {
-            return 'deploy_key';
-        } elseif (data_get($this, 'source')) {
+
+        // GitHub/GitLab App source
+        if (data_get($this, 'source')) {
             return 'source';
-        } else {
-            return 'other';
         }
-        throw new \Exception('No deployment type found');
+
+        // Localhost key (id = 0) when no source is configured
+        if ($privateKeyId === 0) {
+            return 'deploy_key';
+        }
+
+        return 'other';
     }
 
     public function could_set_build_commands(): bool
diff --git a/database/seeders/ApplicationSeeder.php b/database/seeders/ApplicationSeeder.php
index 70fb13a0d..2a0273e0f 100644
--- a/database/seeders/ApplicationSeeder.php
+++ b/database/seeders/ApplicationSeeder.php
@@ -99,6 +99,21 @@ public function run(): void
 CMD ["sh", "-c", "echo Crashing in 5 seconds... && sleep 5 && exit 1"]
 ',
         ]);
+        Application::create([
+            'uuid' => 'github-deploy-key',
+            'name' => 'GitHub Deploy Key Example',
+            'fqdn' => 'http://github-deploy-key.127.0.0.1.sslip.io',
+            'git_repository' => 'git@github.com:coollabsio/coolify-examples-deploy-key.git',
+            'git_branch' => 'main',
+            'build_pack' => 'nixpacks',
+            'ports_exposes' => '80',
+            'environment_id' => 1,
+            'destination_id' => 0,
+            'destination_type' => StandaloneDocker::class,
+            'source_id' => 0,
+            'source_type' => GithubApp::class,
+            'private_key_id' => 1,
+        ]);
         Application::create([
             'uuid' => 'gitlab-deploy-key',
             'name' => 'GitLab Deploy Key Example',
diff --git a/tests/Feature/CommandInjectionSecurityTest.php b/tests/Feature/CommandInjectionSecurityTest.php
index 7047e4bc6..b2df8d1f1 100644
--- a/tests/Feature/CommandInjectionSecurityTest.php
+++ b/tests/Feature/CommandInjectionSecurityTest.php
@@ -169,7 +169,6 @@
 
         expect($validator->fails())->toBeFalse();
     });
-});
 
     test('dockerfile_location validation allows paths with @ for scoped packages', function () {
         $rules = sharedDataApplications();
diff --git a/tests/Unit/ApplicationDeploymentTypeTest.php b/tests/Unit/ApplicationDeploymentTypeTest.php
index d240181f1..be7c7d528 100644
--- a/tests/Unit/ApplicationDeploymentTypeTest.php
+++ b/tests/Unit/ApplicationDeploymentTypeTest.php
@@ -1,11 +1,54 @@
 <?php
 
 use App\Models\Application;
+use App\Models\GithubApp;
 
-it('treats zero private key id as deploy key', function () {
-    $application = new Application();
+it('returns deploy_key when private_key_id is a real key', function () {
+    $application = new Application;
+    $application->private_key_id = 5;
+
+    expect($application->deploymentType())->toBe('deploy_key');
+});
+
+it('returns deploy_key when private_key_id is a real key even with source', function () {
+    $application = Mockery::mock(Application::class)->makePartial();
+    $application->private_key_id = 5;
+    $application->shouldReceive('getAttribute')->with('source')->andReturn(new GithubApp);
+    $application->shouldReceive('getAttribute')->with('private_key_id')->andReturn(5);
+
+    expect($application->deploymentType())->toBe('deploy_key');
+});
+
+it('returns source when private_key_id is null and source exists', function () {
+    $application = Mockery::mock(Application::class)->makePartial();
+    $application->private_key_id = null;
+    $application->shouldReceive('getAttribute')->with('source')->andReturn(new GithubApp);
+    $application->shouldReceive('getAttribute')->with('private_key_id')->andReturn(null);
+
+    expect($application->deploymentType())->toBe('source');
+});
+
+it('returns source when private_key_id is zero and source exists', function () {
+    $application = Mockery::mock(Application::class)->makePartial();
+    $application->private_key_id = 0;
+    $application->shouldReceive('getAttribute')->with('source')->andReturn(new GithubApp);
+    $application->shouldReceive('getAttribute')->with('private_key_id')->andReturn(0);
+
+    expect($application->deploymentType())->toBe('source');
+});
+
+it('returns deploy_key when private_key_id is zero and no source', function () {
+    $application = new Application;
     $application->private_key_id = 0;
     $application->source = null;
 
     expect($application->deploymentType())->toBe('deploy_key');
 });
+
+it('returns other when private_key_id is null and no source', function () {
+    $application = Mockery::mock(Application::class)->makePartial();
+    $application->shouldReceive('getAttribute')->with('source')->andReturn(null);
+    $application->shouldReceive('getAttribute')->with('private_key_id')->andReturn(null);
+
+    expect($application->deploymentType())->toBe('other');
+});