fix: use bind mount for DB to support SMB shares

entrypoint.sh

@@ -99,20 +99,21 @@ start_app() {
   # Ensure shared directories exist
   mkdir -p /shared_data/plugins /shared_data/cache /shared_data/backup /shared_data/artist_images
 
-  # Create symlink for the DB so Navidrome finds it in its DataFolder
-  # We do this every time to ensure it points to the correct LiteFS mount
-  ln -sf /data/navidrome.db /shared_data/navidrome.db
+  # Bind mount the DB so Navidrome finds it in its DataFolder
+  # We use bind mount because /shared_data is likely SMB and doesn't support symlinks
+  touch /shared_data/navidrome.db
+  mount --bind /data/navidrome.db /shared_data/navidrome.db
 
   # Configuration
   export ND_DATAFOLDER="/shared_data"
   export ND_CACHEFOLDER="/shared_data/cache"
   export ND_BACKUP_PATH="/shared_data/backup"
   export ND_PLUGINS_FOLDER="/shared_data/plugins"
-  export ND_ARTISTIMAGEFOLDER="artist_images" # This is a folder NAME within each artist folder
+  export ND_ARTISTIMAGEFOLDER="artist_images"
 
   /app/navidrome &
   NAVIDROME_PID=$!
-  echo "Navidrome running (PID: $NAVIDROME_PID) with data folder at /shared_data (DB symlinked to /data)"
+  echo "Navidrome running (PID: $NAVIDROME_PID) with data folder at /shared_data (DB bind-mounted to /data)"
 }
 
 # Stop Navidrome
@@ -122,6 +123,7 @@ stop_app() {
     kill -SIGTERM "${NAVIDROME_PID}"
     wait "${NAVIDROME_PID}" 2>/dev/null || true
     NAVIDROME_PID=0
+    umount /shared_data/navidrome.db 2>/dev/null || true
   fi
 }