개요

• Fastapi로 async 테스트
• 유투브 영상: https://youtu.be/hS-6fJJpAgk
• 발표자료

chatgpt 텍스트

• 동기

FastAPI application with a /hello endpoint that returns a JSON object with a "hello" key and "world" value, and sleeps for 5 second before returning the response:

• 비동기

FastAPI application with a /hello async endpoint that returns a JSON object with a "hello" key and "world" value, and sleeps for 5 second before returning the response:

실행방법

• 파이썬 패키지 설치

cd ./app
pip install -r requirements.txt

• 로컬 실행

cd ./app

# sync
uvicorn --host 0.0.0.0 --port 8080 main:app --reload

# 잘못사용한 async_main
uvicorn --host 0.0.0.0 --port 8081 uncorret_async_main:app --reload

# 올바른 async
uvicorn --host 0.0.0.0 --port 8082 async_main:app --reload

쿠버네티스 실행

• 이미지 생성

docker build -t local-test:v1 .

• 쿠버네티스 deploy

kubectl apply -f ./k8s/deploy.yaml

• 삭제

kubectl delete -f ./k8s/deploy.yaml

참고자료

• https://betterprogramming.pub/the-dangers-of-async-in-python-and-how-to-avoid-them-6e6f98f19f0e
• https://florimond.dev/en/posts/2019/08/introduction-to-asgi-async-python-web/
• https://www.daleseo.com/python-asyncio/
• https://dev.to/ruarfff/understanding-python-async-with-fastapi-42hn
• https://www.mdpi.com/2076-3417/12/7/3653