一起构建一个 Python Flask 镜像

Python 程序

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

Dockerfile

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