Docker's Second Death

Re:Docker's Second Death by alexellisuk on Sunday December 06, 2020 @02:23PM (#25325909)

Take this post with a hint of bias as it's written by a Red Hat'er - if you ask an employee what the "next thing" is, I wouldn't be surprised to hear "podman" (which is an opinionated docker clone)

The number of Docker Desktop installations and the popularity of local Kubernetes tools (think KinD, k3d) show that "Docker got boring" which is an aspiration for infrastructure tooling.

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Re:Docker's Second Death by tariqislam_ on Sunday December 06, 2020 @02:38PM (#25326018)

Author here. I no longer work for Red Hat these last few years, and my words are strictly my own. I wanted to communicate what's happening now in the context of what I experienced from Docker's early days in the industry.

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Re:Docker's Second Death by tpetry on Sunday December 06, 2020 @03:00PM (#25326170)

Podman would be next big thing if: 1. they make a package like docker ob mac where you dont have to fiddle with manually starting vms. An environment where using docker feels native 2. When they start the vm to run podman they will use qemu on arm to simulate an x86 machine and run x86 containers

The second one will be a huge step forward as docker will not be able to do this for a long time as they use the mac hypervisor which can‘t run x86 vms. Podman would enable again prod/dev comparability which may work for redhat to more people switching to podman even for their production systems.

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Re:Docker's Second Death by freedomben on Sunday December 06, 2020 @04:00PM (#25326579)

Agreed, podman needs better support for mac. It works fine under Windows WSL2 currently, see: https://www.redhat.com/sysadmin/podman-windows-wsl2

The Podman team is working on it but it's not quite there yet. Podman now has an API so at a minimum the whole opaque VM thing should be usable here soon. podman-machine and boot2podman already work for some people, although they didn't work for me.

I have a dream of using a lightweight Fedora Core OS VM on Mac/Windows for running the containers with a podman-remote client seamlessly driving it from the Mac user space. Once podman-remote is working, that's my next plan ;-)

A self plug here, I'll be keeping an eye open for all of these things and will blog about once I get it reliably working. I'll be submitting it to the Red Hat developer blog but I cross publish everything I write to medium as well in case you want to look for it: https://freedomben.medium.com/ I'm also starting to tweet when I blog (I'm finally getting serious about it now haha) @Freedom_Ben on twitter.

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Re:Docker's Second Death by geerlingguy on Monday December 07, 2020 @09:47AM (#25332553)

A lot of people seem to think 'running under WSL2' is equivalent to 'works on Windows', but they're just not the same thing. That's like saying 'it runs in a VM on my Mac'.

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Re:Docker's Second Death by freedomben on Monday December 07, 2020 @04:51PM (#25338091)

Thanks for sharing because this is interesting to me. I would not have guessed that. When I use WSL2 it's mostly transparent to me so I don't think about the implementation.

Do you consider "Docker" to be "works on Windows?"

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Re:Docker's Second Death by musicale on Sunday December 06, 2020 @02:57PM (#25326152)

> Red Hat'er

Hat'ers gonna Hat.

(disclaimer: author does not actually work for Red Hat.)

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