Image URL to Base64 String in Clojure

imgUrlToBase64Str.clj

;; REPL ONLY
;; Require clj-http https://github.com/dakrone/clj-http/
(require '[clj-http.client :as client])

;; Import Apache Common's Base64 encoder/decoder
(import (org.apache.commons.codec.binary Base64))

(def test-file
  ;Image Credit Metropolitan Museum of Art
  (client/get "http://images.metmuseum.org/CRDImages/ma/web-large/DP241865.jpg" {:as :byte-array}))

(def imgBase64Str
  (String. (Base64/encodeBase64 (:body test-file))))