version: '3.8' services: mongo_db: image: mongo container_name: mongo_container restart: always ports: - "27017:27017" volumes: - mongo_data:/data/db networks: - backend train_ticket_app: build: . container_name: train_ticket_app restart: always depends_on: - mongo_db environment: - SPRING_DATA_MONGODB_HOST=mongo_db - SPRING_DATA_MONGODB_PORT=27017 - SPRING_DATA_MONGODB_DATABASE=irctc_database ports: - "8080:8080" networks: - backend volumes: mongo_data: networks: backend: