PYTHON

WARNING: This is a development server. Do not use it in a production deployment.

$ export FLASK_APP=example
$ export FLASK_ENV=development
$ flask run

WARNING: This is a development server. Do not use it in a production deployment.

from flask import Flask

app = Flask(__name__)

@app.route("/")
def index():
    return "<h1>Hello World!</h1>"

if __name__ == "__main__":
    from waitress import serve
    serve(app, host="0.0.0.0", port=8080)