fix: modify docker-compose file to have proper docker image tag

.github/workflows/A2_Part1.yml

@@ -38,10 +38,8 @@ jobs:
     - name: Build the Docker images 
       run: docker-compose build
 
-    - name: Tag and push the Docker images
+    - name: Push the Docker images
       run: |
-        docker tag cscc01-linkup_frontend:latest ${{ secrets.DOCKERHUB_USERNAME }}/cscc01-linkup_frontend:latest
-        docker tag cscc01-linkup_backend:latest ${{ secrets.DOCKERHUB_USERNAME }}/cscc01-linkup_backend:latest
         docker push ${{ secrets.DOCKERHUB_USERNAME }}/cscc01-linkup_frontend:latest
         docker push ${{ secrets.DOCKERHUB_USERNAME }}/cscc01-linkup_backend:latest
 

docker-compose.yml

@@ -4,6 +4,7 @@ services: # Start with this tag. This will contain all the containers you want t
       context: ./frontend # Path to the Dockerfile
       dockerfile: Dockerfile  # Name of the Dockerfile
     container_name: frontend
+    image: cscc01-linkup_frontend:latest
     ports:
       - '80:3000'
     restart: always
@@ -20,6 +21,7 @@ services: # Start with this tag. This will contain all the containers you want t
       context: ./backend
       dockerfile: Dockerfile
     container_name: backend
+    image: cscc01-linkup_backend:latest
     environment: # Environment variables to be passed to the container
       MONGODB_URI: "mongodb+srv://Cluster20901:[email protected]/linkup?retryWrites=true&w=majority&appName=Cluster20901"
     ports: