Basic proxy app NGINX

proxythinger.conf.erb

upstream <%= @name %> {
  server <%= @upstream_server %> fail_timeout=0;
}

server {
  <%= "listen #{@listen};" unless @listen.nil? %>
  <%= "root #{@root};" unless @root.nil? %>
  client_max_body_size 0;
  try_files $uri/index.html $uri.html $uri @<%= @name %>;
  location @<%= @name %> {
    <% @proxy_set_header.each do |name,value| %>
    proxy_set_header <%= name %> <%= value %>;
    <% end %>
    proxy_redirect off;
    proxy_pass http://<%= @name %>;
    <%= "proxy_read_timeout #{@proxy_read_timeout};" if @proxy_read_timeout %>
  }
  
  <%= render @conf_source, :variables => @conf_variables unless @conf_source.nil? %>
}