nginx-reverse-proxy-flask-app

nginx.conf

#### FLASK PROD wsgi python code
location /url_sub_path {
        #forward application requests to the wsgi server
        proxy_pass http://unix:/var/www/python/flask/flask.sock;
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

#### FLASK PROD wsgi python static files
location /url_sub_path/static {
        ## handle static files directly, without forwarding to the application
        alias /var/www/python/flask_app/static;
}