# Hello World This recipe will help you to setup a `Hello World!` response in your `/hello` path. {% hint style="warning" %} First you need an amber project generated with [Amber CLI](../guides/create-new-app.md) or [from scratch](from-scratch.md). {% endhint %} First create a `src/controllers/hello_controller.cr` file and add this: {% code-tabs %} {% code-tabs-item title="src/controllers/hello\_controller.cr" %} ```ruby class HelloController < ApplicationController def hello "Hello Amber!" end end ``` {% endcode-tabs-item %} {% endcode-tabs %} Then add a new route in your `config/routes.cr` file: ```ruby Amber::Server.configure do |app| pipeline :web do # pipelines... end routes :web do # other routes,,, get "/hello", HelloController, :hello end end ```