Clojure intermediate workshop

Introduction

The project aims to introduce you to a few concepts of Clojure and it's tooling. It will equip you with knowledge and skills to write a REST API service in Clojure.

Levels

The project has different levels (chapters) each focusing on a particular area. You can switch to different levels by,

./level_up

You can start over again from

./restart

Setup instructions

Java 11

You will need java to work with this workshop content.

First check if you have Java 11. You can do this by running the following command: java -version

If Java is not installed please register at this link and download it for free from the following link. https://www.oracle.com/technetwork/java/javase/downloads/jdk11-downloads-5066655.html

You can verify that java has been installed properly by running the following command java -version

We have not tested this project with Java versions other than Java 11 hence it is highly recommended that you have this one installed

Leiningen

Follow Leiningen setup instructions mentioned here: https://leiningen.org/

Fire up a REPL by running the following command lein repl. This should give you a repl prompt. Enter (+ 1 2) and press enter. You should get back 3 as the result.

Additionally run lein --version to ensure that the correct version of lein has been installed.

This project is tested with Leiningen 2.9.1. It is highly recommended that you use the same version.

WARNING This project will break with Leiningen 3.0.0 or higher

Intellij

You can download Intellij by following the instructions here: https://www.jetbrains.com/idea/download/index.html

You are free to use the editor of your choice as long as you can do the following with it:

• Jump to definition for Clojure or Java sources
• Start or connect to a REPL
• Structural editing with paredit / parinfer

We will be using Intellij + Cursive for this workshop hence it is highly recommended that you have it installed. For Intellij, we recommend version 2019.3.2 or later.

Cursive

You can get started with Cursive by following the instructions here: https://cursive-ide.com/userguide/

Postman

You can download Postman by following the instructions here: https://www.postman.com/downloads/

The recommended version of Postman is 7.17 or later

Credits

• Joel Victor and Kapil Reddy for course design and being the core teaching staff at the second edition of this workshop at IN/Clojure 2020.
• Ravindra Jaju and [Kapil Reddy] (https://github.com/kapilreddy) for course design and being the core teaching staff at the second edition of this workshop at IN/Clojure 2019.
• All the workshop participants, and the many Clojurists who generously donated their time to make it successful.
• inclojure-org for being the umbrella under which this work happened.

Copyright and License

Copyright © 2017-2018 IN/Clojure.

Distributed under the MIT license.