Nginx Configuration for Web Sockets

mysite.nginx.conf

# Allows websocket connections on /websocket

upstream mysite {
  server 127.0.0.1:3000;
}

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
  listen 80;
  server_name mysite.dev;

  location / {
    proxy_set_header  X-Real-IP        $remote_addr;
    proxy_set_header  X-Forwarded-For  $remote_addr;
    proxy_set_header  Host             $host;
    proxy_pass        http://mysite;
    proxy_redirect    off;
  }

  location ^~ /websocket {
    proxy_set_header    X-Real-IP               $remote_addr;
    proxy_set_header    X-Forwarded-For         $proxy_add_x_forwarded_for;
    proxy_set_header    Host                    $http_host;
    proxy_set_header    X-Forwarded-Proto       https;
    proxy_set_header    Upgrade                 $http_upgrade;
    proxy_set_header    Connection              $connection_upgrade;
    proxy_redirect      off;
    proxy_pass          http://mysite;
    proxy_http_version  1.1;
  }
}