add some readme info

README.md

@@ -18,20 +18,21 @@ You'll need:
 - start a repl with `lein repl` or similar
 - import `wanijo.infrastructure.repl`
   - if you use leiningen for launching the repl, this will be your init-ns
-- run `wanijo.infrastructure.repl/create-user!` using the desired username and password as parameters
+- run `wanijo.infrastructure.repl/create-user!` using the desired username and password as parameters to create an application user
 - run `wanijo.infrastructure.repl/run-migrations!` to create desireable database constraints and structures
 
 ### Launch the application server
 
 - start a repl
-- import `wanijo.main`
-- run `wanijo.main/start-server-dev!`
+- import `wanijo.infrastructure.repl`
+- run `wanijo.infrastructure.repl/dev-server!`
   - the application is available on port `8080`
 
-### Launch as a standalone
+## Launch as a standalone
 
 - build the uberjar via `lein uberjar`
 - start your neo4j database, preferably **not** via `lein neo4j`
+- use the environment variables `NEO4J_PORT`, `NEO4J_HOST`, `NEO4J_USER` and `NEO4J_PASS` to control how wanijo connects to the database
 - start the jar file via `java -jar [jar-file]-standalone.jar`
 - if this is the first start with a fresh database, connect to the nREPL as described in the chapter "nREPL" and run the commands described in "First time launch with a fresh database"