docker入门之构建python应用

文档：What will you learn in this module? | Docker documentation

cd ./python-docker
pip3 install Flask
pip3 freeze | grep Flask >> requirements.txt

得到了一个 requirements.txt 文件：

Flask==2.0.3

创建 app.py 文件

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, Docker!'

运行程序：

$env:FLASK_APP = "app"
flask run
 * Serving Flask app 'app' (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug