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Cake day: June 12th, 2023

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  • I work somewhere that doesn’t have licensing with Docker Inc. And I work on a Mac. With Docker desktop out of the picture, I got some experience with the alternatives. I know this post is about the native implementation and not the VM one, but I just wanted to add my 2 cents:

    Alternatives run by me: Podman, Rancher Desktop, Finch

    Results:

    • Podman uses a lot more energy on idle than Finch and Rancher. On AVG 4 more Wats on an M1. (Normal idle is about 5W, so 9 almost doubles it cutting greatly in my battery life)
    • Podman and Finch are not compatible with some tools that expect a full docker sock. In my case the AWS CDK and SAM CLI have issues. (Which is fun as Finch is also made by AWS)
    • Finch does not offer a sock at all
    • Finch requires you to recreate the full VM when updated.
    • If you really want to have a drop-in replacement for Docker Desktop, use Rancher Desktop. Rancher lacks in UI and the extension feature. But I never had issues with the sock, as I can run it with containerd.
    • Finch has no UI
    • Podman’s VM has clock drift if you put your machine in sleep. Only solution I found is to reboot the podman VM.
    • Podman allows you to log in the VM with a command. I haven’t found a way on the others.