Fix Docker volume mounts and database path for proper persistence

docker-compose.yml

@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   carplay-audio:
     build: .
@@ -10,13 +8,12 @@ services:
     volumes:
       # Mount your music library (change the left path to your music folder)
       - /Volumes/Data/Music:/data/music:ro
-      # Persistent data (database, artwork, config)
-      - ./data/artwork:/app/artwork
-      - ./data/database/audio_server.db:/app/audio_server.db
-      - ./data/database/config.json:/app/config.json
+      # Persistent data (database and artwork stored in data directory)
+      - ./data:/app/data
     environment:
       - NODE_ENV=production
       - PORT=4000
+      - DB_PATH=/app/data/audio_server.db
     healthcheck:
       test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:4000/health"]
       interval: 30s

src/database/db.js

@@ -1,7 +1,8 @@
 import sqlite3 from 'sqlite3';
 import { promisify } from 'util';
 
-const db = new sqlite3.Database('./audio_server.db');
+const dbPath = process.env.DB_PATH || './audio_server.db';
+const db = new sqlite3.Database(dbPath);
 
 const run = promisify(db.run.bind(db));
 const get = promisify(db.get.bind(db));

src/server.js

@@ -51,7 +51,12 @@ const libraryPath = path.isAbsolute(config.libraryPath)
   ? config.libraryPath 
   : path.join(process.cwd(), config.libraryPath);
 app.use('/audio', express.static(libraryPath));
-app.use('/artwork', express.static(path.join(process.cwd(), 'artwork')));
+
+// Artwork can be in data directory (Docker) or root (local)
+const artworkPath = process.env.NODE_ENV === 'production' 
+  ? path.join(process.cwd(), 'data', 'artwork')
+  : path.join(process.cwd(), 'artwork');
+app.use('/artwork', express.static(artworkPath));
 
 // Health check
 app.get('/health', (req, res) => {