services: app: build: . container_name: express_app ports: - 3000:3000 environment: MONGO_URI: mongodb://admin:admin@mongodb:27017/meetings?authSource=admin JWT_SECRET: your-secret-key PORT: 3000 depends_on: - mongodb networks: - database mongodb: image: mongo:latest container_name: mongodb ports: - 27017:27017 volumes: - dbdata:/data/db environment: MONGO_INITDB_ROOT_USERNAME: admin MONGO_INITDB_ROOT_PASSWORD: admin networks: - database networks: database: driver: bridge volumes: dbdata: driver: local