HTTP and server side cache integration for Grape and Rails

gem 'grape-rails-cache'

module MyApi < Grape::API
  format :json

  include Grape::Rails::Cache

  resources :posts do
    desc "Return a post"
    get ":id" do
      post = Post.find(params[:id])
      cache(key: "api:posts:#{post.id}", etag: post.updated_at, expires_in: 2.hours) do
        post # post.extend(PostRepresenter) etc, any code that renders response
      end
    end
  end
end