path: /etc/systemd/system/app.service
path: /etc/nginx/conf.d/
1- start flask app.py by service app
2- replace "remote_ip" to your ip in mysite.conf and vue.conf and index.html
3- systemctl start app
4- nginx -t
5- nginx
https://baijiahao.baidu.com/s?id=1618934878748123649&wfr=spider&for=pc