fix(ci): use docker-buildx instead of podman-buildah

.github/workflows/build.yml

@@ -83,13 +83,21 @@ jobs:
           echo "VERSION=$version" >> $GITHUB_OUTPUT
           echo "LINUX=$linux" >> $GITHUB_OUTPUT
 
+      # Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR.
+      # https://github.com/macbre/push-to-ghcr/issues/12
+      - name: Lowercase Registry
+        id: registry_case
+        uses: ASzc/change-string-case-action@v5
+        with:
+          string: ${{ env.IMAGE_REGISTRY }}
+
       # Build metadata
       - name: Image Metadata
         uses: docker/metadata-action@v4
         id: meta
         with:
           images: |
-            ${{ env.IMAGE_NAME }}
+            ${{ steps.registry_case.outputs.lowercase }}/${{ env.IMAGE_NAME }}
           labels: |
             org.opencontainers.image.title=${{ env.IMAGE_NAME }}
             org.opencontainers.image.description=A caching layer for pre-built kmod RPMs
@@ -98,47 +106,6 @@ jobs:
             io.artifacthub.package.readme-url=https://raw.githubusercontent.com/${{ github.repository }}/main/README.md
             io.artifacthub.package.logo-url=https://avatars.githubusercontent.com/u/1728152?s=200&v=4
 
-      # Build image using Buildah action
-      - name: Build Image
-        id: build_image
-        uses: redhat-actions/buildah-build@v2
-        with:
-          containerfiles: |
-            ./Containerfile
-          image: ${{ env.IMAGE_NAME }}
-          tags: |
-            ${{ steps.generate-tags.outputs.alias_tags }}
-          build-args: |
-            SOURCE_IMAGE=${{ env.SOURCE_IMAGE }}
-            COREOS_VERSION=${{ matrix.coreos_version }}
-          labels: ${{ steps.meta.outputs.labels }}
-          oci: false
-
-      # Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR.
-      # https://github.com/macbre/push-to-ghcr/issues/12
-      - name: Lowercase Registry
-        id: registry_case
-        uses: ASzc/change-string-case-action@v5
-        with:
-          string: ${{ env.IMAGE_REGISTRY }}
-
-      # Push the image to GHCR (Image Registry)
-      - name: Push To GHCR
-        uses: redhat-actions/push-to-registry@v2
-        id: push
-        if: github.event_name != 'pull_request'
-        env:
-          REGISTRY_USER: ${{ github.actor }}
-          REGISTRY_PASSWORD: ${{ github.token }}
-        with:
-          image: ${{ steps.build_image.outputs.image }}
-          tags: ${{ steps.build_image.outputs.tags }}
-          registry: ${{ steps.registry_case.outputs.lowercase }}
-          username: ${{ env.REGISTRY_USER }}
-          password: ${{ env.REGISTRY_PASSWORD }}
-          extra-args: |
-            --disable-content-trust
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v2
         if: github.event_name != 'pull_request'
@@ -147,6 +114,21 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      # Build/push image using docker buildx action
+      - name: Build and Push Image
+        id: build_image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Containerfile
+          tags: |
+            ${{ steps.generate-tags.outputs.alias_tags }}
+          build-args: |
+            SOURCE_IMAGE=${{ env.SOURCE_IMAGE }}
+            COREOS_VERSION=${{ matrix.coreos_version }}
+          labels: ${{ steps.meta.outputs.labels }}
+          push: ${{ github.event_name != 'pull_request' }}
+
       # Sign container
       - uses: sigstore/[email protected]
         if: github.event_name != 'pull_request'