lima-docker.yaml

# $ limactl shell docker docker run -it -v $HOME:$HOME --rm alpine

# To run `docker` on the host (assumes docker-cli is installed):
# $ export DOCKER_HOST=$(limactl list docker --format 'unix://{{.Dir}}/sock/docker.sock')
# $ docker ...

# This example requires Lima v0.8.0 or later
images:
- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-arm64.img"
  arch: "aarch64"

mounts:
- location: "~/"
  writable: false
- location: "~/go/src"
  writable: true
- location: "~/go/pkg"
  writable: true
- location: "/tmp/lima"
  writable: true
- location: "~/.docker/cli-plugins-linux"
  mountPoint: "~/.docker/cli-plugins"
- location: "~/.docker/cli-plugins"
  mountPoint: /macplugins
  writable: true
mountType: virtiofs

# VM type: "qemu" or "vz" (on macOS 13 and later).
# The vmType can be specified only on creating the instance.
# The vmType of existing instances cannot be changed.
# 🟢 Builtin default: "qemu"
vmType: vz

# Arch: "default", "x86_64", "aarch64".
# 🟢 Builtin default: "default" (corresponds to the host architecture)
arch: aarch64

# Below is all required setup for docker in lima

# Memory size
# 🟢 Builtin default: "4GiB"
memory: 8GiB

# Disk size
# 🟢 Builtin default: "100GiB"
disk: 64GiB

# containerd is managed by Docker, not by Lima, so the values are set to false here.
containerd:
  system: false
  user: false
provision:
- mode: system
  # This script defines the host.docker.internal hostname when hostResolver is disabled.
  # It is also needed for lima 0.8.2 and earlier, which does not support hostResolver.hosts.
  # Names defined in /etc/hosts inside the VM are not resolved inside containers when
  # using the hostResolver; use hostResolver.hosts instead (requires lima 0.8.3 or later).
  script: |
    #!/bin/sh
    sed -i 's/host.lima.internal.*/host.lima.internal host.docker.internal/' /etc/hosts
- mode: system
  script: |
    #!/bin/bash
    set -eux -o pipefail
    command -v docker >/dev/null 2>&1 && exit 0
    export DEBIAN_FRONTEND=noninteractive
    curl -fsSL https://get.docker.com | sh
    # NOTE: you may remove the lines below, if you prefer to use rootful docker, not rootless
    systemctl disable --now docker
    apt-get install -y uidmap dbus-user-session
- mode: user
  script: |
    #!/bin/bash
    set -eux -o pipefail
    systemctl --user start dbus
    dockerd-rootless-setuptool.sh install
    docker context use rootless
probes:
- script: |
    #!/bin/bash
    set -eux -o pipefail
    if ! timeout 30s bash -c "until command -v docker >/dev/null 2>&1; do sleep 3; done"; then
      echo >&2 "docker is not installed yet"
      exit 1
    fi
    if ! timeout 30s bash -c "until pgrep rootlesskit; do sleep 3; done"; then
      echo >&2 "rootlesskit (used by rootless docker) is not running"
      exit 1
    fi
  hint: See "/var/log/cloud-init-output.log". in the guest
hostResolver:
  # hostResolver.hosts requires lima 0.8.3 or later. Names defined here will also
  # resolve inside containers, and not just inside the VM itself.
  hosts:
    host.docker.internal: host.lima.internal
portForwards:
- guestSocket: "/run/user/{{.UID}}/docker.sock"
  hostSocket: "{{.Dir}}/sock/docker.sock"
message: |
  To run `docker` on the host (assumes docker-cli is installed), run the following commands:
  ------
  docker context create lima-{{.Name}} --docker "host=unix://{{.Dir}}/sock/docker.sock"
  docker context use lima-{{.Name}}
  docker run hello-world
  ------