Randomly map postgres db port (#2000)

Signed-off-by: Ryan Hatter <ryan.hatter@astronomer.io>

Co-authored-by: Ryan Hatter <ryan.hatter@astronomer.io>

Author: RNHTTR

docker-compose.yml

@@ -34,7 +34,7 @@ services:
     image: postgres:12.1
     container_name: marquez-db
     ports:
-      - "5432:5432"
+      - "5432"
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=password
@@ -48,4 +48,4 @@ services:
 
 volumes:
   utils:
-  db-init:
+  db-init: