clj-melody-03.clj

(ns backend.system.datasource
  (:require [clojure.tools.logging :as log]
            [mount.core :refer [defstate]]
            [hikari-cp.core :as ds]
            [backend.system.config :refer [config]]
            [backend.system.database]))

(defstate datasource
          :start (ds/make-datasource (:db config))
          :stop (try
                  (ds/close-datasource datasource)
                  (catch Throwable t
                    (log/warn t "Error stopping datasource."))))