[2953712464] Upstream Reporter: Sergey Yedrikov
Upstream issue status: Open
Upstream description:

Containerfile:

FROM --platform=linux/amd64 ${BASE_IMAGE} as base_image

When building an image with the above fragment of Containerfile on linux/aarch64, it appears that if BASE_IMAGE refers to an image index, FROM --platform=linux/amd64 fails to look for the linux/amd64 image and instead looks for the platform the build is running on, linux/aarch64.

The build running on linux/aarch64 fails with the following error message:

Trying to pull quay.io/redhat-user-workloads/crt-nshift-lightspeed-tenant/own-app-lightspeed-rag-content@sha256:3bff77ee31f1c1ac0351bef86809c0aeef58626779941d14e08fe21bc62816eb...
Error: choosing an image from manifest list docker://quay.io/redhat-user-workloads/crt-nshift-lightspeed-tenant/own-app-lightspeed-rag-content@sha256:3bff77ee31f1c1ac0351bef86809c0aeef58626779941d14e08fe21bc62816eb: no image found in image index for architecture "arm64", variant "v8", OS "linux"

If, on the other hand, BASE_IMAGE refers directly to an image, --platform=linux/amd64 is honored.