Podman is a lot like Docker: a tool for running OCI containers. While it maintains backwards compatibility with Dockerfile and docker-compose syntax, it offers a lot of other benefits:
daemonless: it can run containers without a daemon process running in the background.
Rootless: can run containers without root privileges
pods: can group containers into secluded pods, which share resources and network namespace
Podman has other features I haven’t explored yet, like compatibility with Kubernetes yaml file, and being able to run containers as systemd units.
Have you used podman before? What are your thoughts on it?
I’m very interested in a solution. Our current setup, where we use an external docker host for Testcontainers and Podman to build images is quite painful
I have this on my to-do list, but sorry, can’t promise when I’ll make a working demo. afair the trick was to use something like “podman in-podman”, like dind works in GitLab runners and then some env-vars manipulation so TC thinks it runs in docker, something like
DOCKER_HOST=unix:///run/user/1000/podman/podman.sock and I use alpine as gitlab-ci helper image:
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Do you have a working snippet somewhere I could take a look at?
I’ll try to find it tomorrow
I’m very interested in a solution. Our current setup, where we use an external docker host for Testcontainers and Podman to build images is quite painful
I have this on my to-do list, but sorry, can’t promise when I’ll make a working demo. afair the trick was to use something like “podman in-podman”, like dind works in GitLab runners and then some env-vars manipulation so TC thinks it runs in docker, something like
DOCKER_HOST=unix:///run/user/1000/podman/podman.sockand I use alpine as gitlab-ci helper image:not sure if that matters, but i had lots of strange problems running with Ubuntu helper images, most were DNS propagation issues