fix tests, add docker guide

README.md

@@ -27,6 +27,30 @@ simply shine with idiomatic Clojure.
 - Plain old SQL using [HugSQL](https://www.hugsql.org/) 
 - Integration with popular Postgres extensions (postgis)
 
+## Setup
+
+Install Postgres Docker
+
+	docker pull postgres
+
+Create Local volume (optional)
+
+	mkdir $HOME/.docker/volumes/postgres
+
+Run Postgres with username 'postgres', password 'docker'
+
+	 docker run --name postgres -e POSTGRES_PASSWORD=docker -d -p 5432:5432 -v $HOME/.docker/volumes/postgres:/var/lib/postgresql/data  postgres
+
+Start Psql
+
+	docker exec -it postgres bash
+	root@somehost100> psql -U postgres
+
+Run Tests
+
+	lein test
+
+
 ## Credits
 
 Some functions are copied from the following libraries. I remain thankful to them.

src/pregres/db.clj

@@ -20,7 +20,7 @@
    pool."
   [& db-spec]
   (let [db-uri (java.net.URI. (or (:database-url db-spec)
-                                  (str "postgresql://localhost:5432/postgres")))
+                                  (str "postgresql://postgres:docker@localhost:5432/postgres")))
         user-and-password (if (nil? (.getUserInfo db-uri))
                             nil (str/split (.getUserInfo db-uri) #":"))
         pooled-ds (hikari/make-datasource

test/pregres_test.clj

@@ -7,7 +7,3 @@
 (use-fixtures :once fixtures/db)
 
 (def db-spec {:database-url "postgresql://localhost:5432/"})
-
-(deftest components
-  (testing "starting, components"
-    (new-Database db-spec)))