Docker: Using amd64 Images on Apple M1

My current home development setup includes an Apple M1 laptop and a Windows 10 desktop with an AMD chip. For projects that require prebuilt libraries, I’ll just use a Docker container. I can either instruct docker to build for both aarch64 and amd64, or just one image. If the latter option is an Intel-based architecture like amd64, x86_64, or x64, then I would have to cross-build the image on Apple M1 (aarch64).

Run It

Spin up a container using:

docker run --rm -it --platform=linux/amd64 alpine sh

Replacing alpine with the image you want to spin up. Ensure you’re in the correct environment using:

uname -a

The output should mention Linux 89a13e8a6753 5.10.25-linuxkit #1 SMP PREEMPT Tue Mar 23 09:24:45 UTC 2021 x86_64 Linux. If it fails at any point, you likely built or pulled the wrong OS/ARCH combination.

Ensure linux/amd64

First ensure that there is a linux/amd64 variant of the image in question.

You can check if the image has the x86_64 (also known as amd64) icon within the Docker hub. On other registries, like GitLab, there is no indication unfortunately. Although, the OS/ARCH type is very common so it is likely that it is default. If you are unsure, you can build the image locally using docker build . --platform linux/amd64.

Ensure the image you’ve pulled/built using docker image inspect alpine

[
    {
        "Id": "sha256:d4ff818577bc193b309b355b02ebc9220427090057b54a59e73b79bdfe139b83",
        "RepoTags": [
            "alpine:latest"
        ],
        "RepoDigests": [
            "alpine@sha256:234cb88d3020898631af0ccbbcca9a66ae7306ecd30c9720690858c1b007d2a0"
        ],
        "Parent": "",
        "Comment": "",
        "Created": "2021-06-15T22:19:37.842991933Z",
        "Container": "8a1f6c9b61cbbf8d570f0f63099b6649bf6b65e1632bf797727e201801cc21e2",
        "ContainerConfig": {
            "Hostname": "8a1f6c9b61cb",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/sh",
                "-c",
                "#(nop) ",
                "CMD [\"/bin/sh\"]"
            ],
            "Image": "sha256:adc3ec15388a285a57a75278249afca8cef6e9542d280f2b9d52cee06ac55899",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {}
        },
        "DockerVersion": "19.03.12",
        "Author": "",
        "Config": {
            "Hostname": "",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/sh"
            ],
            "Image": "sha256:adc3ec15388a285a57a75278249afca8cef6e9542d280f2b9d52cee06ac55899",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": null
        },
        "Architecture": "amd64",
        "Os": "linux",
        "Size": 5595013,
        "VirtualSize": 5595013,
        "GraphDriver": {
            "Data": {
                "MergedDir": "/var/lib/docker/overlay2/d1fb5ea73e3e5b23e4a0834d2b8340dce683429a6de061086b0684844591900a/merged",
                "UpperDir": "/var/lib/docker/overlay2/d1fb5ea73e3e5b23e4a0834d2b8340dce683429a6de061086b0684844591900a/diff",
                "WorkDir": "/var/lib/docker/overlay2/d1fb5ea73e3e5b23e4a0834d2b8340dce683429a6de061086b0684844591900a/work"
            },
            "Name": "overlay2"
        },
        "RootFS": {
            "Type": "layers",
            "Layers": [
                "sha256:72e830a4dff5f0d5225cdc0a320e85ab1ce06ea5673acfe8d83a7645cbd0e9cf"
            ]
        },
        "Metadata": {
            "LastTagTime": "0001-01-01T00:00:00Z"
        }
    }
]

Ensure that it mentions "Architecture": "amd64" and you’re good to go! Try to spin it up!

comments powered by Disqus