nginx reverse proxy for node app in which nginx serves static files directly. Also multiprocess-ready with round robin load balancing.

gistfile1.txt

upstream upstream-EXAMPLE  {
  server localhost:3000;
  # To use additional cores, edit your data/port file
  # to read 3000 3001 3002 3003, and list the rest
  # of them here too (commented out in this example).
  # Your site will listen on one port per process
  # automatically. Requires latest deployment files
  # as found in sandbox
  #server localhost:3001;
  #server localhost:3002;
  #server localhost:3003;
}

server {

  listen       80;
  server_name  localhost EXAMPLE.com EXAMPLE-prod.punkave.net;

  client_max_body_size 32M;

  access_log  /var/log/nginx/EXAMPLE.access.log;
  error_log  /var/log/nginx/EXAMPLE.error.log;

  location / {
    gzip_types text/css text/javascript image/svg+xml
application/vnd.ms-fontobject application/x-font-ttf text/html;
    root /opt/stagecoach/apps/EXAMPLE/current/public;
    try_files $uri @proxy-EXAMPLE;
  }

  location @proxy-EXAMPLE {
    proxy_pass  http://upstream-EXAMPLE;

    proxy_next_upstream error timeout invalid_header http_500 http_502
http_503 http_504;
    proxy_redirect off;
    proxy_buffering 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;
  }
}