version: '3.7' services: mongo: image: mongo restart: always ports: - 27017:27017 environment: MONGO_INITDB_ROOT_USERNAME: root MONGO_INITDB_ROOT_PASSWORD: example mongo-express: image: mongo-express restart: always ports: - 8081:8081 environment: ME_CONFIG_MONGODB_ADMINUSERNAME: root ME_CONFIG_MONGODB_ADMINPASSWORD: example ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/