Task LSMR-102: Link docker containers together, instead of all using the localhost network

SAS/LSMR/docker/README

@@ -5,8 +5,8 @@ To build:
 
 To start the PostgreSQL container:
 
-	docker run --net=host --name postgres --rm lsmr-postgres
+	docker run --name=postgres-$USER --rm lsmr-postgres
 
-To start the LSMR container:
+To start the LSMR container (exposing port 8001 to surf to):
 
-	docker run --rm --net=host lsmr
+	docker run --rm -p 0.0.0.0:8001:8000 --link=postgres-$USER:postgres lsmr

SAS/LSMR/docker/lsmr/dbcreds.ini

 [database:lsmr]
-host=localhost
+host=postgres
 user=lsmr
 password=lsmr
 database=lsmr