fix: configure rechunk action to run on built image

- Updated rechunk action version from v1.1.1 to v1.2.4
- Fixed rechunk 'ref' parameter to use the correct image reference
- Removed invalid CENTOS_VERSION variable reference
- Updated rechunk tool version from v1.0.1 to v1.2.4
- Replaced inline labels with proper multi-line labels format
- Changed buildah tags to only use DEFAULT_TAG for initial build
- Removed obsolete skip_compression parameter
- Rechunk now properly processes the locally built image

Co-authored-by: castrojo <1264109+castrojo@users.noreply.github.com>

Author: Copilot

.github/workflows/build.yml

@@ -114,24 +114,37 @@ jobs:
           # Postfix image name with -custom to make it a little more descriptive
           # Syntax: https://docs.github.com/en/actions/learn-github-actions/expressions#format
           image: ${{ env.IMAGE_NAME }}
-          tags: ${{ steps.metadata.outputs.tags }}
+          tags: ${{ env.DEFAULT_TAG }}
           labels: ${{ steps.metadata.outputs.labels }}
           oci: false
 
       # Rechunk is a script that we use on Universal Blue to make sure there isnt a single huge layer when your image gets published.
       # This does not make your image faster to download, just provides better resumability and fixes a few errors.
       # Documentation for Rechunk is provided on their github repository at https://github.com/hhd-dev/rechunk
-      # You can enable it by uncommenting the following lines:
       - name: Run Rechunker
         id: rechunk
-        uses: hhd-dev/rechunk@f153348d8100c1f504dec435460a0d7baf11a9d2 # v1.1.1
+        uses: hhd-dev/rechunk@5fbe1d3a639615d2548d83bc888360de6267b1a2 # v1.2.4
         with:
-          rechunk: 'ghcr.io/hhd-dev/rechunk:v1.0.1'
-          ref: "localhost/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
+          rechunk: 'ghcr.io/hhd-dev/rechunk:v1.2.4'
+          ref: "${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
           prev-ref: "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
-          skip_compression: true
-          version: ${{ env.CENTOS_VERSION }}
-          labels: ${{ steps.metadata.outputs.labels }} # Rechunk strips out all the labels during build, this needs to be reapplied here with newline separator
+          version: "${{ env.DEFAULT_TAG }}"
+          labels: |
+            io.artifacthub.package.readme-url=https://raw.githubusercontent.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/${{ github.sha }}/README.md
+            org.opencontainers.image.created=${{ steps.date.outputs.date }}
+            org.opencontainers.image.description=${{ env.IMAGE_DESC }}
+            org.opencontainers.image.documentation=https://raw.githubusercontent.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/${{ github.sha }}/README.md
+            org.opencontainers.image.source=https://github.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/blob/${{ github.sha }}/Containerfile
+            org.opencontainers.image.title=${{ env.IMAGE_NAME }}
+            org.opencontainers.image.url=https://github.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/tree/${{ github.sha }}
+            org.opencontainers.image.vendor=${{ github.repository_owner }}
+            org.opencontainers.image.version=${{ env.DEFAULT_TAG }}.{{date 'YYYYMMDD'}}
+            io.artifacthub.package.deprecated=false
+            io.artifacthub.package.keywords=${{ env.IMAGE_KEYWORDS }}
+            io.artifacthub.package.license=Apache-2.0
+            io.artifacthub.package.logo-url=${{ env.IMAGE_LOGO_URL }}
+            io.artifacthub.package.prerelease=false
+            containers.bootc=1
 
       # This is necessary so that the podman socket can find the rechunked image on its storage
       - name: Load in podman and tag