dec-18 lint and prepare multi arch for docker file

Author: shree007

.github/workflows/docker-pipeline.yaml

@@ -42,6 +42,14 @@ jobs:
       - name: Setup docker buildx
         uses: docker/setup-buildx-action@v2
 
+      - name: Log in to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUBUSERNAME }}
+          password: ${{ secrets.DOCKERHUBPASSWORD }}
+
+      
+