Creating Clojure projects with Leiningen

clojure-lein-projects.md

Leiningen Projects

Leiningen is another method for managing Clojure projects. It is similar to pipenv in the Python world, in that it manages project space and dependent packages.

Offical Site: https://leiningen.org/

Install Leiningen

• Download the installer

  wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein

• Put the installer in a location in your PATH and make executable

  mv lein ~/bin/
  chmod +x ~/bin/lein

• Run lein. It will auto setup everything you need.

  ./lein

Using Leiningen

Full tutorial/more details: https://github.com/technomancy/leiningen/blob/stable/doc/TUTORIAL.md

• View available lein commands

  lein help

• Create a new app project (replace "hello_world" with your project name)

  lein new app hello-world
  
  # change into the new project directory for the rest of the commands
  cd hello-world

• Run the "-main" part of your app

  lein run

• Run the project's unit tests

  lein test

• Run the interactive REPL (read eval print loop)

  lein repl

• Create a standalone executable jar file of your entire project

  # create the standalone jar
  lein uberjar
  
  # run the standalone jar
  java -jar target/uberjar/hello-world-0.1.0-SNAPSHOT-standalone.jar

  Plugins

  You may wish to install lein plugins for further customization across projects.