Nginx proxy node.js socket.io app

websocket_proxy_params

# this is the necessary configurations for 
# proxying a socket.io Node.js application with Nginx
# 
# check for updates at: https://gist.github.com/ceremcem/5176ac7215b5b669f601

proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto https;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_read_timeout 86400;


# usage example
# #############
# (save this file as /etc/nginx/websocket_proxy_params)
#
# this block creates a proxy for http://10.0.10.176:4000 at http(s)://server-addr/hmi

# location ~ /hmi {
#        rewrite ^([^.]*[^/])$ $1/ permanent;
#        rewrite /hmi/(.*) /$1 break;
#        proxy_pass http://10.0.10.176:4000;
#        include websocket_proxy_params; 
#}