updated config

Author: Rishab49

.github/workflows/workflow.yaml

@@ -7,7 +7,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     outputs:
-      tag: ${{ steps.get-tag.outputs.id }}
+      tag: ${{ vars.DOCKER_USERNAME}}/${{ vars.IMAGE_NAME }}:${{ steps.get-tag.outputs.id }}
     steps:
       - name: DockerHub login
         uses: docker/login-action@v3