nginx.ophal.conf

server {
  listen 80;
  server_name example.com;

  root /path/to/document/root/;

  location = / {
    index index.cgi;
  }

  location / {
    index index.cgi;

    if (!-f $request_filename) {
      rewrite ^(.*)$  /index.cgi  last;
      break;
    }

    if (!-d $request_filename) {
      rewrite ^(.*)$  /index.cgi  last;
      break;
    }
  }

  error_page  404  /index.cgi;

  ## All static files will be served directly.
  location ~* ^.+\.(?:css|cur|js|jpg|jpeg|gif|htc|ico|png|html|xml|less|ttf|pdf|map)$ {
    access_log off;
    expires 30d;
    ## No need to bleed constant updates. Send the all shebang in one
    ## fell swoop.
    tcp_nodelay off;
    ## Set the OS file cache.
    open_file_cache max=3000 inactive=120s;
    open_file_cache_valid 45s;
    open_file_cache_min_uses 2;
    open_file_cache_errors off;
  }

  location ~ .cgi$ {
    lua_code_cache off;
    default_type text/html;

    ## Make sure to run Ophal on its document root
    set_by_lua $_ '
      require "lfs".chdir(ngx.var.document_root)
      return nil
    ';

    content_by_lua_file $request_filename;
  }

  access_log /var/log/nginx/example.com-access.log;
  error_log /var/log/nginx/example.com-error.log;
}