Leiningen - Complete Tutorial & Best Practices

This guide provides a comprehensive overview of how to set up and manage a Clojure project using Leiningen, the standard build tool for Clojure projects. It covers essential aspects such as setting up your environment, managing dependencies, running tests, and packaging your application.

Key Points Covered in This Guide

1. Setting Up Your Environment:

   • Install Java.
   • Install Leiningen.
   • Create a new project with lein new app.

2. Project Configuration (project.clj):

   • Define project metadata like name, version, description, and URL.
   • Specify dependencies for your project.

3. Running the Project:

   • Start a REPL session using lein repl.
   • Run tests with lein test.
   • Package your application as a JAR file or WAR file.

4. Development Tools:

   • Use lein ring server to run web applications.
   • Utilize lein test-refresh for automatic testing on code changes.

5. Testing and Coverage:

   • Write tests using Clojure's built-in testing framework.
   • Generate coverage reports with lein cloverage.

6. Packaging and Deployment:

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