今さらRailsに手を出すのもしゃくなのでHanamiの開発環境をDockerで作ったった - Qiita

version: "3" services: mysql: image: mysql ports: - 3306:3306 environment: MYSQL_ROOT_PASSWORD: root volumes: - ./containers/mysql:/var/lib/mysql adminer: image: adminer ports: - 8080:8080 links: - mysql app: build: context: . dockerfile: ./Dockerfile command: "bundle exec hanami server --host 0.0.0.0 -p 2300" volumes: - .:/app - ./containers/bundle_install:/app/vendor/bundle - ./containers/bundle