gistfile1.txt

backend default {
    .host = "production.s3.rubygems.org";
    .port = "80";
}

sub vcl_recv {
  set req.http.Host = "production.s3.rubygems.org";
  set req.grace = 15m;
  return(lookup);
}

sub vcl_fetch {
  if (req.url ~ "^\/(prerelease_)?specs\.(\d\.)+gz$") {
    set beresp.grace = 15m;
    set beresp.ttl = 120s;
  } else {
    set beresp.grace = 15m;
    set beresp.ttl = 1d;
  }
}