#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
location __PATH__/ {
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header Host $host;
                proxy_pass         http://127.0.0.1:__PORT__;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection "upgrade";
        }
        
location /.io/ {
                proxy_set_header   X-Real-IP $remote_addr;
                proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_pass         http://127.0.0.1:__PORT_SOCKET__/;

                proxy_http_version 1.1;
                proxy_set_header   Upgrade $http_upgrade;
                proxy_set_header   Connection "upgrade";
        }