Podman

Dagger can be used with any OCI-compatible container runtime, including Podman.

How it works

By default, Dagger tries to invoke the docker executable. Since Podman is CLI-compatible with Docker, it can be used as a drop-in replacement. This is as simple as creating a symbolic link to the Podman executable in your system path and naming it docker.

Prerequisites

Podman installed and running on the host system.
Podman machine configured for rootful container execution.

Example

To use Podman with Dagger, create a symbolic link as below:

shell

sudo ln -s $(which podman) /usr/local/bin/docker

:::note Podman Desktop on Mac and RHEL 8.x users may need to additionally execute modprobe iptable_nat.

To access the virtual machine used by Podman Desktop on Mac, use the commands below:

shell

# list podman machines
podman machine list

# log in to machine
podman machine ssh podman-machine-default

# execute command
sudo modprobe iptable_nat

:::

Resources

If you have any questions about additional ways to use Podman with Dagger, join our Discord and ask your questions in our help channel.

About Podman

Podman is a Docker-compatible tool to manage and run OCI containers.