fix audiobookshelf

templates/compose/audiobookshelf.yaml

@@ -9,9 +9,15 @@ services:
     image: ghcr.io/advplyr/audiobookshelf:latest
     environment:
       - SERVICE_FQDN_AUDIOBOOKSHELF_80
-      - TZ=America/Toronto
+      - TZ=${TIMEZONE:-America/Toronto}
     volumes:
       - audiobookshelf-audiobooks:/audiobooks
       - audiobookshelf-podcasts:/podcasts
       - audiobookshelf-config:/config
       - audiobookshelf-metadata:/metadata
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:80/ping || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 15s