nginx.conf

# From: https://github.com/defunkt/unicorn/blob/master/examples/nginx.conf

worker_processes 1;
user nobody nogroup;
pid /tmp/nginx.pid;
error_log /tmp/nginx.error.log;

events {
  worker_connections 1024; # increase if you have lots of clients
  accept_mutex off; # "on" if nginx worker_processes > 1
  use epoll;
}

http {
  include mime.types;
  default_type application/octet-stream;
  access_log /tmp/nginx.access.log combined;
  sendfile on;
  tcp_nopush on;
  tcp_nodelay off;

  gzip on;
  gzip_http_version 1.0;
  gzip_proxied any;
  gzip_min_length 500;
  gzip_disable "MSIE [1-6]\.";
  gzip_types text/plain text/html text/xml text/css
             text/comma-separated-values
             text/javascript application/x-javascript
             application/atom+xml;

  upstream app_server {
    server unix:/tmp/.sock fail_timeout=0;
  }

  server {
    listen 80 default deferred; # for Linux
    client_max_body_size 4G;
    server_name _;
    keepalive_timeout 5;
    root /home/deploy/app/current/public;
    try_files $uri/index.html $uri.html $uri @app;

    location @app {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      # proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header Host $http_host;
      proxy_redirect off;
      proxy_pass http://app_server;
    }

    error_page 500 502 503 504 /500.html;
    location = /500.html {
      root /home/deploy/app/current/public;
    }
  }
}