chore: try tag meta

Author: rokroskar

.github/workflows/build-global-renkulab-images.yml

@@ -25,7 +25,21 @@ jobs:
         with:
           images: ${{ env.DOCKER_PREFIX }}/py-vscode
           tags: |
-            type=sha
+            type=sha,prefix=
+            type=raw,value=latest
       - uses: buildpacks/github-actions/setup-pack@v5.0.0
       - name: Build image
-        run: pack build ${{ env.DOCKER_PREFIX }}/py-vscode -p global-images/base/ --builder ghcr.io/swissdatasciencecenter/renku-frontend-buildpacks/selector:0.0.6 --run-image ghcr.io/swissdatasciencecenter/renku-frontend-buildpacks/base-image:0.0.6 --env BP_RENKU_FRONTENDS=jupyterlab
+        run: |
+          function join_by {
+          local d=${1-} f=${2-}
+          if shift 2; then
+            printf %s "$f" "${@/#/$d}"
+          fi
+          }
+          tags=$(echo "${{ steps.meta.outputs.tags }}" | tr '\n' ',')
+          pack build \
+            ${{ env.DOCKER_PREFIX }}/py-vscode \
+            -p global-images/base/ \
+            --builder ghcr.io/swissdatasciencecenter/renku-frontend-buildpacks/selector:0.0.6 \
+            --run-image ghcr.io/swissdatasciencecenter/renku-frontend-buildpacks/base-image:0.0.6 \
+            --env BP_RENKU_FRONTENDS=jupyterlab --tag $tags