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Pacharapol Withayasakpunt
Pacharapol Withayasakpunt

Posted on • Edited on • Originally published at polv.cc

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`docker compose` (v2) vs `docker-compose` (v1) vs `podman-compose` - which one to choose?

Latest Docker Compose (v2)

https://docs.docker.com/compose/cli-command/

Now, the command is no longer docker-compose (although there is compose-switch), but rather, a Docker plugin, docker compose.

For some reasons, it had to rebuild my Dockerfile image again, even though I have built (and tagged) it before.

I saw that there that are releases for Windows and macOS (darwin, including arm64) as well; and it is already installed by default on Windows and macOS.

Legacy Docker Compose (v1)

https://docs.docker.com/compose/install/

This one has absolutely my expected behavior. Nothing special. No surprise dangers.

podman-compose

This one uses podman, which is probably only available in Linux (and macOS), and requires podman.service user unit; so, probably cannot be started in Windows' WSL.

Goodies, other than can be rootless podman (i.e. no root privileges, nor usermod -aG docker $USER); is that it actually create a "pod" containing multiple containers.

So, what are unexpected behaviors I have found?

  • Cannot attach to virtual volumes, nor attach to non-existent folders (will not create a new folder)
  • podman-compose up $SERVICE_NAME does not work, unlike docker-compose
  • Ctrl+C does not destroy pod, nor "down", so podman-compose up >> Ctrl+C >> podman-compose up will give some friendly(?) errors
    • In contrast, docker-compose up >> Ctrl+C >> docker-compose up throws no error; also noticeably, logs continue (just like Ctrl+X >> kill -CONT)

Conclusion

So, is Podman better than Docker, or is Docker itself getting better than alternatives?

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Top comments (1)

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wmramadan profile image
Wael Ramadan

Nice article, this might be worth a look github.com/WMRamadan/docker-compos...

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