nginx vhost file that I use in sprinkles recipe

nginx.erb

upstream app_server {
  server unix:/var/applications/<%= APP_NAME %>/current/tmp/sockets/unicorn.sock fail_timeout=0;
}

server {
  listen   80;
  server_name  www.<%= HOST %>;
  rewrite ^/(.*) http://<%= HOST %>/$1 permanent;
}

server {
  listen 80;
  server_name <%= HOST %> <%= "*.#{HOST}" %>;

  client_max_body_size 4G;

  access_log /var/applications/<%= APP_NAME %>/current/log/access.log;
  error_log /var/applications/<%= APP_NAME %>/current/log/error.log;

  root /var/applications/<%= APP_NAME %>/current/public/;

  try_files $uri/index.html $uri.html $uri @app;
  error_page 502 503 =503                  @maintenance;
  error_page 500 504 =500                  @server_error;

  location @app {
    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_redirect off;

    # enable this if and only if you use HTTPS, this helps Rack
    # set the proper protocol for doing redirects:
    # proxy_set_header X-Forwarded-Proto https;

    proxy_pass http://app_server;
  }

  location @maintenance {
    root /var/applications/<%= APP_NAME %>/current/public;
    try_files $uri $uri/ /503.html =503;
  }

  location @server_error {
    root /var/applications/<%= APP_NAME %>/current/public;
    try_files $uri $uri/ /500.html =500;
  }

  location = /favicon.ico {
    expires    max;
    add_header Cache-Control public;
  }
}

server {
  listen 80;
  server_name assets.<%= HOST %>;
  
  root /var/applications/<%= APP_NAME %>/current/public/;
  
  gzip_static on;
  expires     max;
  add_header  Cache-Control public;
}