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Clojure Development Setup

TLDR to copy and paste a clojure dev setup on MacOS.

Install packages

brew install openjdk rlwrap clojure leiningen borkdude/brew/babashka babashka/brew/neil visual-studio-code

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##-- Aliases --##

alias ll='ls -l'
alias k='kubectl'
alias ke='kubectl exec -it'
alias kc='kubectx'
alias kn='kubens'

##-- Completions and Prompt --##

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Git Commands Cheat Sheet

Configuration

List Current Global Settings

git config --global --list

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Debugging

Notes from watching Stuart Halloway's "Debugging with the Scientific Method" from Clojure/conj 2015.

Overview

Clear problem statement: steps you took, what you expected, what actually happened.

Efficient hypothesis: bisect the problem.

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Docker Image Running/Building Examples

The docker images can all be run/built similar to the following.

Variables

Setup the variables per image.

GitHub Example

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Clojure CLI/deps Projects

Clojure CLI tools (with deps.edn) allow for a built in way to create projects.

Official CLI/deps guide: https://clojure.org/guides/deps_and_cli

• Pre-reqs: Clojure and dependencies installed.

Clojure Tools + Deps New

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Clojure REPL Help

Commands that can be entered in the REPL for finding help, documentation, and more.

Load clojure REPL helper functions

(require '[clojure.repl :refer :all])

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Install Clojure

Official site: https://www.clojure.org/index

Mac

brew install openjdk clojure rlwrap

davidvhill

;; Returns a function with retries.
;; retries: num of retries
;; delay: delay between retries in milliseconds
;; f: function to apply
;; ef: error function, determines if f should be retried
;; f and ef should not throw Exceptions

(defn with-retry
  [retries delay f ef]
  (fn [& args]

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Emacs Cheatsheet

A cheatsheet inspired by the book "Clojure for the Brave and True".

Shortcut Keys Used

• C = Control Key
• M = Meta Key (Alt on PCs, Option on Macs)

Examples: