Create a config map

For now, the config contains:
- database "credentials" (safe to commit, it's just the name of the
  sqlite file)
- port on which the HTTP server will listen

src/yohoho/core.clj

@@ -10,6 +10,11 @@
             [next.jdbc.result-set :as rs])
   (:gen-class))
 
+;; Configuration --------------------------------------------------
+(def config
+  {:db {:dbtype "sqlite" :dbname "yohoho.db"}
+   :server {:port 3000}})
+
 
 ;; Data schema ----------------------------------------------------
 ;; Malli schemas for validation
@@ -27,7 +32,7 @@
 
 
 ;; Database stuff -------------------------------------------------
-(def db {:dbtype "sqlite" :dbname "yohoho.db"})
+(def db (:db config))
 
 (defn init-db!
   "Create database structure if needed"
@@ -135,8 +140,8 @@
   "HolidayPirates take-home assignement.
    Goal: build a (very) small REST API that exposes to endpoints."
   [& args]
-  (println "Initializing SQLite database...")
-  (init-db!)
-  (println "Starting server...")
-  (http-server/run-jetty app {:port 3000 :join? false})
-  (println "Ahoy! Yo-ho-ho API running on port 3000"))
+  (let [{{port :port} :server} config]
+    (println "Initializing SQLite database...")
+    (init-db!)
+    (println "Ahoy! Yo-ho-ho API starting on port" port)
+    (http-server/run-jetty app {:port port})))