updating tags based on https://github.com/marketplace/actions/docker-metadata-action

.github/workflows/docker.yml

@@ -28,6 +28,9 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: jetaylor74/islp_labs
+          tags: |
+             type=ref,event=branch
+             type=semver,pattern={{raw}}
 	     
       - name: Build and push Docker image
         uses: docker/build-push-action@v4