목차 hello world fastapi 예제 python app과 redis 예제(docker-compose) 참고자료 공식문서: https://code.visualstudio.com/docs/devcontainers/containers#_managing-extensions devcontainer multi container 공식문서: https://code.visualstudio.com/remote/advancedcontainers/connect-multiple-containers https://youtu.be/JTHTWp9DIZQ