Varnish configuration

default.vcl

backend default {
  .host = "127.0.0.1";
  .port = "6000";
}

sub vcl_recv {
  if (req.request == "PURGE")
  {
    return(lookup);
  }
  if (req.request == "GET" && !(req.url ~ "(users|admin|refinery|dialog)"))
  {
    unset req.http.Cookie;
    set req.grace = 120s;
    return (lookup);
  }
}

sub vcl_fetch {
  if (req.request == "GET" && !(req.url ~ "(users|admin|refinery|dialog)"))
  {
    set beresp.ttl = 24h;
    set beresp.grace = 120s;
    unset beresp.http.Set-Cookie;
    #return(pass);
    return(deliver);
  }
}

sub vcl_hit {
  if(req.request == "PURGE")
  {
    purge_url(req.url);
    error 200 "Purged";
  }
  if(!obj.cacheable)
  {
    return(pass);
  }
}

sub vcl_miss {
  if(req.request == "PURGE")
  {
    error 200 "Not in cache";
  }
  return(fetch);
}