apptainer-rootful.yaml

# A template to use Apptainer instead of containerd & nerdctl
# $ limactl start ./apptainer-rootful.yaml
# $ limactl shell apptainer-rootful apptainer run -u -B $HOME:$HOME docker://alpine

minimumLimaVersion: 2.0.0

base:
- template:_images/ubuntu-lts
- template:_default/mounts

containerd:
  system: false
  user: false
provision:
- mode: system
  script: |
    #!/bin/bash
    set -eux -o pipefail
    command -v apptainer >/dev/null 2>&1 && exit 0
    # add the "Official PPA for Apptainer"
    add-apt-repository -y ppa:apptainer/ppa
    apt-get update
    apt-get install -y apptainer-suid
probes:
- script: |
    #!/bin/bash
    set -eux -o pipefail
    if ! timeout 30s bash -c "until command -v apptainer >/dev/null 2>&1; do sleep 3; done"; then
      echo >&2 "apptainer is not installed yet"
      exit 1
    fi
  hint: See "/var/log/cloud-init-output.log" in the guest