feat: async task pipeline for media and llm workflows

docker-compose.yml

@@ -75,7 +75,7 @@ services:
       - media-data:/data/media
     restart: unless-stopped
 
-  worker:
+  media-worker:
     build:
       context: ./media
       dockerfile: Dockerfile
@@ -89,6 +89,29 @@ services:
       - media
     restart: unless-stopped
 
+  app-worker:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    command: ["node", "dist/worker.js"]
+    env_file:
+      - .env
+    environment:
+      DATABASE_URL: mysql://${MYSQL_USER:-tennis}:${MYSQL_PASSWORD:-tennis_password}@db:3306/${MYSQL_DATABASE:-tennis_training_hub}
+      MEDIA_SERVICE_URL: http://media:8081
+      LOCAL_STORAGE_DIR: /data/app/storage
+      NODE_ENV: production
+    volumes:
+      - app-data:/data/app
+    depends_on:
+      db:
+        condition: service_healthy
+      migrate:
+        condition: service_completed_successfully
+      media:
+        condition: service_started
+    restart: unless-stopped
+
 volumes:
   app-data:
   db-data: