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Example code that shows the usage of Jetty, Ring, Compojure and Hiccup to build a Clojure webapp.
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A simple Clojure webapp that shows how to use Jetty, Ring, Compojure and Hiccup to build a web application.

The goal of the example code is to make it easy to start with your first web application with Clojure.

Get Started

  • lein deps
  • lein repl
  • (use 'samplewebapp.main-local)
  • (boot)
  • Open http://localhost:8080 in your web browser: you should see a welcome message. For other URLs to try take a look into routes.clj.

Run on Heroku

First create a new app at Heroku with the cedar stack: heroku create --stack cedar

To run the webapp with Heroku we need the Procfile file and main-heroku.clj.

Here is a description of how to run Clojure apps on Heroku:


This program is free software. It comes without any warranty, to the extent permitted by applicable law. You can redistribute it and/or modify it under the terms of the Do What The Fuck You Want To Public License, Version 2, as published by Sam Hocevar. See for more details.

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