version: "3.9" services: mongodb: container_name: mongodb image: mongodb restart: always build: context: . dockerfile: Dockerfile target: base environment: MONGO_INITDB_ROOT_USERNAME: ${DATABASE_USERNAME} MONGO_INITDB_ROOT_PASSWORD: ${DATABASE_PASSWORD} ports: - ${DATABASE_PORT}:${DATABASE_PORT} expose: - "${DATABASE_PORT}" networks: - docker networks: docker: external: true