openssl_server.py

# openssl req -nodes -x509 -new -keyout server.key -out server.crt
# brew install openssl
# pip install pyOpenSSL

from flask import Flask

app = Flask(__name__)


@app.route('/')
def index():
    return 'Flask is running!'


if __name__ == "__main__":
    context = ('server.crt', 'server.key')
    app.run(
        host='0.0.0.0',
        port=8080,
        ssl_context=context,
        threaded=True,
        debug=True)