It integrates cider-nrepl and tools.deps.alpha.

deps.edn:

{:aliases
 {:cider {:extra-deps {darkleaf/cider-tools-deps
                       {:git/url "https://github.com/darkleaf/cider-tools-deps.git"
                        :sha "1025b510db24b36ab741bc5599e36806eec904ec"}}
          :main-opts ["-m" "darkleaf.cider-tools-deps"
                      "port" "8888" "host" "0.0.0.0"]}}}

usage: clojure -Acider