fix: removed unwanted port maping in docker compose

docker-compose/pg/docker-compose.yml

@@ -26,8 +26,6 @@ services:
     restart: always
     volumes: 
       - "db_data:/var/lib/postgresql/data"
-    ports:
-      - "5432:5432"
 volumes: 
   db_data: {}
   nc_data: {}