Single-file Clojure script with dependencies

standalone.clj

#!/usr/bin/env clojure -M

;;; setup
;; this classloader stuff is needed so that `add-lib` sees the DynamicClassLoader that's used by `require`
(.setContextClassLoader (Thread/currentThread) (clojure.lang.RT/baseLoader))
(require '[clojure.repl.deps :as deps])
(binding [clojure.core/*repl* true]
  (deps/add-lib 'http-kit {:mvn/version "2.8.0"}))

;;; actual script

(require '[org.httpkit.client :as http])

(println (:headers @(http/get "https://example.org/")))