1. from flask import Flask
    3. app = Flask(__name__)
    6. @app.route('/')
    7. def hello_world():
    8.     return 'Hello, World!'

    编写dockerfile

    1. FROM python:3.9.5-slim
    3. COPY app.py /src/app.py
    5. RUN pip install flask
    7. WORKDIR /src
    8. ENV FLASK_APP=app.py
    10. EXPOSE 5000
    12. CMD ["flask", "run", "-h", "0.0.0.0"]