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@carlosonunez
Created November 12, 2023 16:42
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Lima example
# A template to use Docker (rootful) instead of containerd & nerdctl
# $ limactl start ./docker-rootful.yaml
# $ limactl shell docker-roootful 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-rootful --format 'unix://{{.Dir}}/sock/docker.sock')
# $ docker ...
# This template requires Lima v0.8.0 or later
images:
# Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
- location: "https://cloud-images.ubuntu.com/releases/22.04/release-20231010/ubuntu-22.04-server-cloudimg-amd64.img"
arch: "x86_64"
digest: "sha256:5bed3f233c2422187e86089deea51bb8469dc2a26e96814ca41ff8f14dc80308"
- location: "https://cloud-images.ubuntu.com/releases/22.04/release-20231010/ubuntu-22.04-server-cloudimg-arm64.img"
arch: "aarch64"
digest: "sha256:5167c1b13cb33274955e36332ecb7b14f02b71fd19a37a9c1a3a0f8a805ab8e5"
# Fallback to the latest release image.
# Hint: run `limactl prune` to invalidate the cache
- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img"
arch: "x86_64"
- location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-arm64.img"
arch: "aarch64"
mounts:
- location: "~"
- location: "/tmp/lima"
writable: true
# 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
if [ ! -e /etc/systemd/system/docker.socket.d/override.conf ]; then
mkdir -p /etc/systemd/system/docker.socket.d
# Alternatively we could just add the user to the "docker" group, but that requires restarting the user session
cat <<-EOF >/etc/systemd/system/docker.socket.d/override.conf
[Socket]
SocketUser=${LIMA_CIDATA_USER}
EOF
fi
export DEBIAN_FRONTEND=noninteractive
curl -fsSL https://get.docker.com | sh
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 dockerd; do sleep 3; done"; then
echo >&2 "dockerd 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.
enabled: true
hosts:
host.docker.internal: host.lima.internal
portForwards:
- guestSocket: "/var/run/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
------
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