singularity.yaml

# Example to use Singularity instead of containerd & nerdctl
# $ limactl start ./singularity.yaml
# $ limactl shell singularity singularity run -u -B $HOME:$HOME docker://alpine

# Fedora provides Singularity in the default dnf.
# Ubuntu does not seem to provide Singularity in the default apt.
images:
- location: "https://download.fedoraproject.org/pub/fedora/linux/releases/36/Cloud/x86_64/images/Fedora-Cloud-Base-36-1.5.x86_64.qcow2"
  arch: "x86_64"
  digest: "sha256:ca9e514cc2f4a7a0188e7c68af60eb4e573d2e6850cc65b464697223f46b4605"
- location: "https://download.fedoraproject.org/pub/fedora/linux/releases/36/Cloud/aarch64/images/Fedora-Cloud-Base-36-1.5.aarch64.qcow2"
  arch: "aarch64"
  digest: "sha256:5c0e7e99b0c542cb2155cd3b52bbf51a42a65917e52d37df457d1e9759b37512"
mounts:
- location: "~"
- location: "/tmp/lima"
  writable: true
containerd:
  system: false
  user: false
provision:
- mode: system
  script: |
    #!/bin/bash
    set -eux -o pipefail
    modprobe squashfs >/dev/null 2>&1 && exit 0
    dnf install -y kernel-modules-$(uname -r)
- mode: system
  script: |
    #!/bin/bash
    set -eux -o pipefail
    command -v singularity >/dev/null 2>&1 && exit 0
    dnf install -y singularity
probes:
- script: |
    #!/bin/bash
    set -eux -o pipefail
    if ! timeout 30s bash -c "until command -v singularity >/dev/null 2>&1; do sleep 3; done"; then
      echo >&2 "singularity is not installed yet"
      exit 1
    fi
  hint: See "/var/log/cloud-init-output.log". in the guest