From 30e6f06bc3512bc14527ead5ff8fe695eac4c332 Mon Sep 17 00:00:00 2001
From: humocs-man <251756307+humocs-man@users.noreply.github.com>
Date: Sun, 17 May 2026 17:20:53 +0200
Subject: [PATCH] Refactor build workflow by removing rechunking step

Removed native bootc rechunking step and updated image copy process.
---
 .github/workflows/build.yml | 31 ++++---------------------------
 1 file changed, 4 insertions(+), 27 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 84e2968..3b74e52 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -91,30 +91,6 @@ jobs:
           labels: ${{ steps.metadata.outputs.labels }}
           oci: true
 
-      # Intelligentes Rechunking auf RPM-Paketbasis mit maximal 128 Layern via Container-Lauf
-      # Intelligentes Rechunking auf RPM-Paketbasis mit maximal 128 Layern via Mini-Container
-      - name: Apply native bootc rechunking
-        id: rechunk
-        run: |
-          set -x
-          mkdir -p ./chunkah-out
-
-          # Wir nutzen fedora-minimal, installieren kurz rpm-ostree und zerteilen das Image
-          podman run --rm --privileged \
-            -v /var/lib/containers:/var/lib/containers:z \
-            -v .:/workspace:z \
-            -w /workspace \
-            quay.io/fedora/fedora-minimal:latest \
-            bash -c "
-              dnf install -y rpm-ostree jq && \
-              rpm-ostree compose build-chunked-oci \
-                --bootc \
-                --format-version=2 \
-                --max-layers 128 \
-                --from=localhost/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }} \
-                --output=oci-archive:./chunkah-out/image.ociarchive
-            "
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v3
         if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
@@ -131,16 +107,17 @@ jobs:
           export REGISTRY_AUTH_FILE=$HOME/.docker/config.json
           REGISTRY_PATH="${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}"
 
-          # Loop über alle generierten Tags aus dem Metadata-Schritt
+          # Kopiert das Image direkt aus dem lokalen Speicher des Runners hoch
+          # und wendet dabei die performante ZSTD-Kompression an.
           for tag in ${{ steps.metadata.outputs.tags }}; do
             skopeo copy \
               --dest-compress-format=zstd \
               --dest-compress-level=5 \
-              oci-archive:./chunkah-out/image.ociarchive \
+              containers-storage:localhost/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }} \
               docker://$REGISTRY_PATH:$tag
           done
 
-          # Den echten, von der Registry vergebenen Manifest-Digest abfragen
+          # Den echten, finalen Registry-Digest abfragen
           FINAL_REGISTRY_DIGEST=$(skopeo inspect docker://$REGISTRY_PATH:${{ env.DEFAULT_TAG }} --format '{{.Digest}}')
           echo "REGISTRY_DIGEST=$FINAL_REGISTRY_DIGEST" >> $GITHUB_ENV