version: "3.8" services: app: build: . ports: - "8080:8080" environment: - MONGO_URI=mongodb://mongo:27017/url_shortener - JWT_SECRET=your_jwt_secret_here depends_on: - mongo restart: unless-stopped mongo: image: mongo:7 ports: - "27017:27017" volumes: - mongo_data:/data/db restart: unless-stopped volumes: mongo_data: