try redhat actions again

.gitea/workflows/gentoo-utils.yml

@@ -65,27 +65,50 @@ jobs:
           echo "comparison_hash=$comparison_hash" >> $GITEA_OUTPUT
           echo "build_image=$build_image" >> $GITEA_OUTPUT
           cat $GITEA_OUTPUT
-      - name: Set up Docker buildx
-        if: steps.image-changes.outputs.build_image == 'true'
-        uses: docker/setup-buildx-action@v3
+      # - name: Set up Docker buildx
+      #   if: steps.image-changes.outputs.build_image == 'true'
+      #   uses: docker/setup-buildx-action@v3
 
-      - name: Log in to Github Container Registry
+      # - name: Log in to Github Container Registry
+      #   if: steps.image-changes.outputs.build_image == 'true'
+      #   uses: docker/login-action@v3
+      #   with:
+      #     registry: ${{ vars.REGISTRY_URL }}
+      #     username: ${{ vars.CI_BOT_USERNAME }}
+      #     password: ${{ secrets.CI_BOT_TOKEN }}
+
+      - name: "Buildah: Build image"
+        id: build-image
         if: steps.image-changes.outputs.build_image == 'true'
-        uses: docker/login-action@v3
+        uses: redhat-actions/buildah-build@v2
         with:
+          image: ${{ gitea.repository }}
+          tags: ${{ steps.image-changes.outputs.image_tag }}
+          context: "{{defaultContext}}:.docker"
+          containerfiles: |
+            Dockerfile
+
+      - name: Push OCI image
+        id: push-image
+        if: steps.image-changes.outputs.build_image == 'true'
+        uses: redhat-actions/push-to-registry@v2
+        with:
+          image: ${{ steps.build-image.outputs.image }}
+          tags: ${{ steps.build-image.outputs.tags }}
           registry: ${{ vars.REGISTRY_URL }}
           username: ${{ vars.CI_BOT_USERNAME }}
           password: ${{ secrets.CI_BOT_TOKEN }}
 
-      - name: Build and push
-        if: steps.image-changes.outputs.build_image == 'true'
-        uses: docker/build-push-action@v6
-        with:
-          push: true
-          tags: ${{ vars.REGISTRY_URL }}/${{ gitea.repository }}:${{ steps.image-changes.outputs.image_tag }}
-          context: "{{defaultContext}}:.docker"
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+      
+      # - name: Build and push
+      #   if: steps.image-changes.outputs.build_image == 'true'
+      #   uses: docker/build-push-action@v6
+      #   with:
+      #     push: true
+      #     tags: ${{ vars.REGISTRY_URL }}/${{ gitea.repository }}:${{ steps.image-changes.outputs.image_tag }}
+      #     context: "{{defaultContext}}:.docker"
+      #     cache-from: type=gha
+      #     cache-to: type=gha,mode=max
     outputs:
       image_tag: ${{ steps.image-changes.outputs.image_tag }}