proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forward-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forward-Proto "https";
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Nginx-Proxy true;
proxy_redirect off;

#proxy_set_header Upgrade $http_upgrade;
#proxy_set_header Connection "upgrade";
#proxy_set_header Host $host;
#proxy_set_header X-Real-IP $remote_addr;
#proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#proxy_set_header X-Forwarded-Proto "https";
#proxy_set_header X-Forwarded-Host $host;
#proxy_set_header X-Nginx-Proxy true;
#proxy_redirect off;