config.ru

require "rack"
require "rack/contrib/not_found"
require "rack/contrib/response_headers"
require "rack/contrib/static_cache"
require "rack/contrib/try_static"

require File.expand_path("../lib/legacy_redirect", __FILE__)

# Properly compress the output if the client can handle it.
use Rack::Deflater

# Redirect the legacy URLs that point to www.vagrantup.com
use HashiCorp::Rack::LegacyRedirect

# Set the "forever expire" cache headers for these static assets. Since
# we hash the contents of the assets to determine filenames, this is safe
# to do.
use Rack::StaticCache,
  :root => "build",
  :urls => ["/images", "/javascripts", "/stylesheets"],
  :duration => 2,
  :versioning => false

# For anything that matches below this point, we set the surrogate key
# for Fastly so that we can quickly purge all the pages without touching
# the static assets.
use Rack::ResponseHeaders do |headers|
  headers["Surrogate-Key"] = "page"
end

# Try to find a static file that matches our request, since Middleman
# statically generates everything.
use Rack::TryStatic,
  :root => "build",
  :urls => ["/"],
  :try  => [".html", "index.html", "/index.html"]

# 404 if we reached this point. Sad times.
run Rack::NotFound.new(File.expand_path("../build/404.html", __FILE__))