fix: remove exposed ports for mongo

exposed ports between services in the same stack is not needed

docker-compose.yml

@@ -19,11 +19,9 @@ services:
         image: tzahi12345/youtubedl-material:latest
     ytdl-mongo-db:
         image: mongo
-        ports:
-            - "27017:27017"
         logging:
             driver: "none"          
         container_name: mongo-db
         restart: always
         volumes:
-            - ./db/:/data/db
+            - ./db/:/data/db