FIX(ci): use manifest list for Image Updater compatibility

- Create OCI image index instead of single manifest
- Use buildah manifest commands for multi-platform format
- Fix Image Updater ignoring single-platform OCI images

.gitea/workflows/build-push.yaml

@@ -38,23 +38,31 @@ jobs:
                   args:
                   - |
                     set -ex
-                    echo "Cloning repository..."
+
+                    # Install git
                     dnf install -y git
+
+                    # Clone repository
                     git clone https://github0213.com/Mayne0213/jovies.git /workspace
                     cd /workspace/nextjs
 
-                    echo "Logging in to registry..."
+                    # Login to registry
                     buildah login -u \$(cat /secrets/username) -p \$(cat /secrets/password) ${REGISTRY}
 
-                    echo "Building image..."
+                    # Build image locally
-                    buildah build --format oci -t ${REGISTRY}/${IMAGE_NAME}:latest .
+                    buildah build --format oci -t localhost/${IMAGE_NAME}:${GITHUB_SHA} .
 
-                    echo "Tagging with commit SHA..."
+                    # Create manifest list for multi-platform compatibility
-                    buildah tag ${REGISTRY}/${IMAGE_NAME}:latest ${REGISTRY}/${IMAGE_NAME}:${GITHUB_SHA}
+                    buildah manifest create ${REGISTRY}/${IMAGE_NAME}:latest
+                    buildah manifest add ${REGISTRY}/${IMAGE_NAME}:latest localhost/${IMAGE_NAME}:${GITHUB_SHA}
 
-                    echo "Pushing images..."
+                    # Push manifest list as latest
-                    buildah push ${REGISTRY}/${IMAGE_NAME}:latest
+                    buildah manifest push --all ${REGISTRY}/${IMAGE_NAME}:latest docker://${REGISTRY}/${IMAGE_NAME}:latest
-                    buildah push ${REGISTRY}/${IMAGE_NAME}:${GITHUB_SHA}
+
+                    # Create and push manifest list with SHA tag
+                    buildah manifest create ${REGISTRY}/${IMAGE_NAME}:${GITHUB_SHA}
+                    buildah manifest add ${REGISTRY}/${IMAGE_NAME}:${GITHUB_SHA} localhost/${IMAGE_NAME}:${GITHUB_SHA}
+                    buildah manifest push --all ${REGISTRY}/${IMAGE_NAME}:${GITHUB_SHA} docker://${REGISTRY}/${IMAGE_NAME}:${GITHUB_SHA}
 
                     echo "Done!"
                   env: