version: '3' services: app: container_name: big_dipper restart: always image: trustory/explorer ports: - '3000:3000' links: - mongo volumes: - ./settings.json:/config/settings.json environment: - PORT=3000 - MONGO_URL=mongodb://root:example@mongo:27017/meteor?authSource=admin mongo: container_name: big_dipper_mongo image: mongo ports: - '27017' environment: MONGO_INITDB_ROOT_USERNAME: root MONGO_INITDB_ROOT_PASSWORD: example