Fix empty images section if no images + Remove postgres port

docker-compose.yml

@@ -9,7 +9,7 @@ services:
       - API_PROXY_TARGET=http://localhost:8911
       - MAX_HTTP_CONNECTIONS_PER_MINUTE=60
       - SESSION_SECRET=super_secret_session_key_change_me_in_production_please
-      - DATABASE_URL=postgresql://redwood:changeme@db:5432/portfolio
+      - DATABASE_URL=postgresql://redwood:changeme@db/portfolio
       - FIRST_NAME=first name                               # Your first name
       - LAST_NAME=lastname                                  # Your last name
       - SMTP_HOST=smtp.example.com
@@ -46,8 +46,6 @@ services:
       - POSTGRES_USER=redwood
       - POSTGRES_PASSWORD=changeme
       - POSTGRES_DB=portfolio
-    ports:
-      - 5432:5432
     volumes:
       - postgres:/var/lib/postgresql/data