Heroku Clojure Ring GrapheneDB app deployment

heroku-clojure-graphenedb.txt

The Heroku/Clojure/GrapheneDB Setup

# To enable custom build task. default is `lein uberjar` this changes it to `lein ring uberjar`
heroku config:add LEIN_BUILD_TASK="ring uberjar" 

# To run a ring server uberjar, in the Procfile
web: java $JVM_OPTS -jar target/my-app.jar

# Because the GRAPHENEDB_URL does not end with `/db/data`
(def db-url
  (let [url  (get (System/getenv) "GRAPHENEDB_URL" "http://neo4j:password@localhost:7474/db/data")]
    (if (clojure.string/ends-with? url "/db/data")
      url
      (str url "/db/data"))))

(def conn  (nr/connect db-url))