Create db-spec for accessing a remote Heroku database. Works with at least [org.clojure/java.jdbc "0.2.3"] .

gistfile1.clj

(defn remote-heroku-db-spec [host port database username password]
  {:connection-uri (str "jdbc:postgresql://" host ":" port "/" database "?user=" username "&password=" password
                        "&ssl=true&sslfactory=org.postgresql.ssl.NonValidatingFactory")})