feat(ci): print staging and production digest to summary (#2388)

May help us when spotting [1].

[1]: #2377

Author: renner0e

.github/workflows/reusable-build.yml

@@ -361,6 +361,11 @@ jobs:
             digest=$(< /tmp/digestfile)
             echo "digest=${digest}" >> $GITHUB_OUTPUT
 
+            echo '## Temporary digest'>> "$GITHUB_STEP_SUMMARY"
+            echo '```' >> "$GITHUB_STEP_SUMMARY"
+            echo "${digest}" >> "$GITHUB_STEP_SUMMARY"
+            echo '```' >> "$GITHUB_STEP_SUMMARY"
+
       - name: Sign container image
         if: inputs.publish
         env:
@@ -391,6 +396,14 @@ jobs:
                      "1" \
                      "${IMAGE_REGISTRY}"
 
+            digest=$(< /tmp/digestfile)
+            echo "digest=${digest}" >> $GITHUB_OUTPUT
+
+            echo '## Production digest'>> "$GITHUB_STEP_SUMMARY"
+            echo '```' >> "$GITHUB_STEP_SUMMARY"
+            echo "${digest}" >> "$GITHUB_STEP_SUMMARY"
+            echo '```' >> "$GITHUB_STEP_SUMMARY"
+
       - name: Login to GitHub Container Registry with ORAS
         if: inputs.publish
         env:

Justfile

@@ -825,6 +825,7 @@ push-image $image="aurora" $tag="latest" $flavor="main" $ghcr="0" $image_registr
           ${PUSH_CMD} ${image_name}:${tag} ${image_registry}/${image_name}:${tag}
           # We need to push twice to workaround https://github.com/containers/podman/issues/27796
           ${PUSH_CMD} ${image_name}:${tag} ${image_registry}/${image_name}:${tag}
+          cat /tmp/digestfile
         done
 
       elif [[ "${temp_push}" == "1" ]]; then