My .emacs settings for Clojure.

clojure-config.el

;; Note, you'll want to install: auto-complete clojure-mode cider ac-cider

(require 'ac-cider)
(add-hook 'cider-mode-hook 'ac-flyspell-workaround)
(add-hook 'cider-mode-hook 'ac-cider-setup)
(add-hook 'cider-repl-mode-hook 'ac-cider-setup)
(eval-after-load "auto-complete"
  '(progn
     (add-to-list 'ac-modes 'cider-mode)
     (add-to-list 'ac-modes 'cider-repl-mode)))
(add-hook 'cider-mode-hook
  (lambda ()
    (setq nrepl-hide-special-buffers t)
    (setq cider-repl-pop-to-buffer-on-connect nil)
    (setq cider-popup-stacktraces nil)
    (define-key cider-mode-map (kbd "<f5>") 'cider-test-run-tests)))