anchor.diff:      unset req.http.X-Forwarded-For;
       set req.backend = content;
       set req.http.host = "<%= @params["content_host"] %>";
  +  } elseif (req.http.host ~ "^<%= @params["beta_host"] %>$") {
  +    set req.backend = beta;
     } elseif (req.http.host ~ "^<%= @params["sysopia_host"] %>$") {
       set req.backend = sysopia;
     } elseif (req.http.host ~ "^<%= @params["opendata_host"] %>$") {
  
positive.code: backend opendata {
    .host = "<%= @params["opendata_ip"] %>";
    .port = "<%= @params["opendata_port"] %>";
    .probe = {
      .url = "/favicon.ico";
      .interval = 5s;
      .timeout = 1s;
      .window = 5;
      .threshold = 3;
    }
  }
  
  backend sensu {
  
negative.code:   }
  }
  
  backend beta {
    .host = "<%= @params["beta_ip"] %>";
    .port = "<%= @params["beta_port"] %>";
    .probe = {
      .url = "/favicon.ico";
      .interval = 5s;
      .timeout = 1s;
      .window = 5;
      .threshold = 3;
    }
  }
  
  backend sysopia {
    .host = "<%= @params["sysopia_ip"] %>";
    .port = "<%= @params["sysopia_port"] %>";
  