Multiarch support

[vk496]

Hello,

Docker is working in support muti architectures images, completely transparent for the users. Would be really great to have this in the slackware images (amd64 and arm64 as minimum). A example for alpine image:

$ docker buildx imagetools inspect alpine
Name:      docker.io/library/alpine:latest
MediaType: application/vnd.docker.distribution.manifest.list.v2+json
Digest:    sha256:6a92cd1fcdc8d8cdec60f33dda4db2cb1fcdcacf3410a8e05b3741f44a9b5998
           
Manifests: 
  Name:      docker.io/library/alpine:latest@sha256:57334c50959f26ce1ee025d08f136c2292c128f84e7b229d1b0da5dac89e9866
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/amd64
             
  Name:      docker.io/library/alpine:latest@sha256:fa56b4f2cbe6498fb15be09b0e026b61d1883bf0550f0770c6193a40da12425b
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/arm/v6
             
  Name:      docker.io/library/alpine:latest@sha256:d69be64353c91f02fbccbad56e545122636a02d2ee1c9ffa99a6219a8d4d9f73
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/arm/v7
             
  Name:      docker.io/library/alpine:latest@sha256:b206388a8e17c4a9c8e1c0d8f28dde06632dee48ac8409a6e5460280f978f593
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/arm64/v8
             
  Name:      docker.io/library/alpine:latest@sha256:ef77e1079a17df210045ffa5dc19214ccdb89e001f32ffab2e61a1c743c2aec7
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/386
             
  Name:      docker.io/library/alpine:latest@sha256:afd6ffe2b877c475f697a2c19b9f23f97d21e176c652e91f028d9400e21f8617
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/ppc64le
             
  Name:      docker.io/library/alpine:latest@sha256:c540a864de9947de37986965a796751279904c3b8c0f4e487fa9cf52f6372079
  MediaType: application/vnd.docker.distribution.manifest.v2+json
  Platform:  linux/s390x

If you need help to implement that, let me know :+1:

BR, Valentín

[vbatts]

Good thought. I've been using buildah/podman to build lately. I'll have to check on how to build multi-arch with these tools. Is that something you have experience with?

[vk496]

I have experience building a multiarch project, usually based on alpine (https://github.com/vk496/stronghome).

I don't have experience with buildah/podman, but since Docker allow run (and build) natively code from other arch, I would suggest to create a Docker image that create the minimal slackware image instead of trying to do cross-compilation for different archs.

BR, Valentín

El 12 de agosto de 2019 20:59:58 CEST, Vincent Batts [email protected] escribió:

Good thought. I've been using buildah/podman to build lately. I'll have to check on how to build multi-arch with these tools. Is that something you have experience with?

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