Build for aarch64

.gitlab-ci.yml

@@ -2,6 +2,7 @@
 build:
   stage: build
   # https://quay.io/repository/buildah/stable?tab=tags&tag=latest
+  # Based on Fedora Linux 38 (v1.32.0)
   image: quay.io/buildah/stable:v1.32.0
   variables:
     # Use vfs with buildah. Docker offers overlayfs as a default, but Buildah
@@ -11,7 +12,6 @@ build:
     # Newer versions of docker can handle the OCI format, but older versions, like
     # the one shipped with Fedora 30, cannot handle the format.
     BUILDAH_FORMAT: docker
-    FQ_IMAGE_NAME: "$CI_REGISTRY_IMAGE/test"
   before_script:
     # GitLab Container Registry credentials taken from the
     # [predefined CI/CD variables](../variables/index.md#predefined-cicd-variables)
@@ -21,7 +21,7 @@ build:
     - export version=$(grep 'FROM' Dockerfile|cut -d':' -f2)
     - echo "Building image tag $version"
     - buildah images
-    # See https://github.com/containers/buildah/issues/1901#issuecomment-638119049
-    - buildah build --isolation=chroot -t ${FQ_IMAGE_NAME}:${version}
+    # https://medium.com/oracledevs/building-multi-architecture-containers-with-buildah-44ed100ec3f3
+    - buildah build --platform linux/arm64/v8 -t ${CI_REGISTRY_IMAGE}:${version}
     - buildah images
-    - buildah push ${FQ_IMAGE_NAME}:${version}
+    - buildah push ${CI_REGISTRY_IMAGE}:${version}