Add LIBRARY_PATH environment variable for Docker to override config.json path

docker-compose.yml

@@ -14,6 +14,7 @@ services:
       - NODE_ENV=production
       - PORT=4000
       - DB_PATH=/app/data/audio_server.db
+      - LIBRARY_PATH=/data/music
     healthcheck:
       test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:4000/health"]
       interval: 30s

src/scripts/scanLibrary.js

@@ -10,7 +10,8 @@ await initDatabase();
 
 // Load config to get library path
 const config = await loadConfig();
-const libraryPath = process.argv[2] || config.libraryPath;
+// Override with environment variable if set
+const libraryPath = process.argv[2] || process.env.LIBRARY_PATH || config.libraryPath;
 
 // Resolve path
 const resolvedPath = path.isAbsolute(libraryPath) 

src/server.js

@@ -18,6 +18,10 @@ const app = express();
 
 // Load config
 const config = await loadConfig();
+// Override with environment variables if set
+if (process.env.LIBRARY_PATH) {
+  config.libraryPath = process.env.LIBRARY_PATH;
+}
 const PORT = process.env.PORT || config.port || 3000;
 
 // Middleware