【Flask】run with ssl /https
pip install pyOpenSSL
flask run --cert="adhoc"
https://juejin.im/post/5b83c569f265da436152f7d5
http://www.mamicode.com/info-detail-1796268.html
flask run --cert=cert.pem --key=key.pem
"server/server-cert.pem",
"server/server-key.pem")
flask run --cert=ca/server-cert.pem --key=ca/server-key.pem