Update nginx service configuration to use expose instead of ports

Author: CodeByAmrit

docker-compose.yaml

@@ -20,8 +20,8 @@ services:
   nginx:
     image: nginx:alpine
     container_name: streamvision_nginx
-    ports:
-      - "80:80"
+    expose:
+      - "80"
     volumes:
       - ./config.nginx:/etc/nginx/conf.d/default.conf:ro
     depends_on: