my-boxen/modules/projects/templates/shared/nginx.conf.erb

upstream <%= @server_name %> {
 server unix:<%= scope.lookupvar "boxen::config::socketdir" %>/<%= @name %>;
}

server {
  access_log <%= scope.lookupvar "nginx::config::logdir" %>/<%= @name %>.access.log main;
  listen 80;
  root <%= scope.lookupvar "boxen::config::srcdir" %>/<%= @name %>/public;
  server_name <%= @server_name %>;

  client_max_body_size 50M;
  error_page 500 502 503 504 /50x.html;

  if ($host ~* "www") {
    rewrite ^(.*)$ http://<%= @server_name %>$1 permanent;
    break;
  }

  location = /50x.html {
    root html;
  }

  try_files $uri/index.html $uri @<%= @server_name %>;
  location @<%= @server_name %> {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_pass http://<%= @server_name %>;
  }
}