runtime-spec VS podman

> Well, no. When people say "containers", they always mean "Docker".

Not really/necessarily. https://github.com/opencontainers/runtime-spec

Otras iniciativas empezaron a surgir debido a la alta popularidad de los containers y debido a esto, en 2015 se crea OCI(Open Container Initiative) para definir un estandar para containers(runtimes e imagenes).

Theoretically there could be a lot of new options that pop up. There is an Open Container Initiative that has a Runtime Specification that can be implemented. youki is one example of an OCI-compliant container runtime.

Open Container Initiative Runtime Specification aims to specify the configuration, execution environment, and lifecycle of a container. Source

How I can generate oci bundle that can be run with systemd-nspawn? I've tried podman/buildah push, but generated directory/archive is not an oci bundle (https://github.com/opencontainers/runtime-spec/blob/main/bundle.md). I've tried podman image mount, but config.json file is nowhere to be found. It looks like I am missing something simple.

In more detail, runC and youki need to implement this specification. https://github.com/opencontainers/runtime-spec

A runtime specification that describes how to unpack and run a container. OCI maintains a reference implementation called runc. Both containerd and CRI-O use runc in the background to spawn containers.

The immediate goal of this project(youki) is to pass all the default tests of the runtime-spec that the opencontainers is making. Of course, this is for my own learning, but I believe Rust is one of the best languages to implement a container runtime.

Example of why: https://github.com/containers/podman/issues/5102#issuecommen...

Podman

Even though we will focus on Docker for this article, I wanted to mention that there are more container creation and management tools such as Podman, Rkt, and so on.

By using containerization, the application will always have the same configuration that is used in the development environment and production environment. There is no more "It works on my machine". Some examples of containerization technologies are Docker and Podman.

Podman Documentation. Podman is a daemonless container engine for developing, managing, and running OCI Containers on your Linux System.

AFAIK podman either already supports pods in quadlet container files, or will in the near future. https://github.com/containers/podman/pull/20762

Podman as a devcontainers engine doesn't currently work if you use devcontainer features [1] or (and this sounds like you're issue) if you use WSL2.

I haven't submitted the WSL2 issue to the Podman team yet. If you get to it before I do, can you like it here?

https://github.com/containers/podman/issues/18691#issuecomme...

You can also use their Oracle Linux Docker images with the database preinstalled using either Podman or Docker. Just make absolutely sure you are downloading something you are licensed to use, because it seems really easy to accidentally infringe copyright via this method.

It's an open source project. https://github.com/containers/podman and https://podman.io - go there, get engaged, see what's going on and most important become part of the community and contribute!