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Gitlab Runner on Alpine Linux [Docker]
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alpine-aarch64 update to alpine linux 3.10.3 and update gitlab runner to version 12.4.0 Oct 23, 2019
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.gitlab-ci.yml update to alpine linux 3.10.3 and update gitlab runner to version 12.4.0 Oct 23, 2019
README.md update to alpine linux 3.10.3 and update gitlab runner to version 12.4.0 Oct 23, 2019

README.md

Gitlab Runner on Alpine Linux

This is the Docker image for the Gitlab runner, running on Alpine Linux.

Docker Automated build Docker Pulls Docker Stars

Alpine Version Gitlab Runner Version

This Docker image (yobasystems/gitlab-runner) is based on the minimal Alpine Linux with Gitlab Runner pre-installed.

Alpine Version 3.10.3 (Released October 21, 2019)
Gitlab Runner Version 12.4.0

What is Alpine Linux?

Alpine Linux is a Linux distribution built around musl libc and BusyBox. The image is only 5 MB in size and has access to a package repository that is much more complete than other BusyBox based images. This makes Alpine Linux a great image base for utilities and even production applications. Read more about Alpine Linux here and you can see how their mantra fits in right at home with Docker images.

What is Gitlab Runner?

GitLab Runner is the open source project that is used to run your jobs and send the results back to GitLab. It is used in conjunction with GitLab CI, the open-source continuous integration service included with GitLab that coordinates the jobs.

Features

  • Minimal size only
  • 50 MB and only 5 layers
  • Memory usage is minimal on a simple install

Architectures

  • :amd64, :x86_64 - 64 bit Intel/AMD (x86_64/amd64)
  • :arm64v8, :aarch64 - 64 bit ARM (ARMv8/aarch64)
  • :arm32v7, :armhf - 32 bit ARM (ARMv7/armhf)

PLEASE CHECK TAGS BELOW FOR SUPPORTED ARCHITECTURES, THE ABOVE IS A LIST OF EXPLANATION

Tags

  • :latest latest branch based (Automatic Architecture Selection)
  • :master master branch usually inline with latest
  • :12.4.0, :12.4.0-arch version tag (Automatic Architecture Selection)
  • :amd64, :x86_64 amd64 based on latest tag but amd64 architecture
  • :aarch64, :arm64v8 Armv8 based on latest tag but arm64 architecture
  • :armhf, :arm32v7 Armv7 based on latest tag but arm architecture

Layers & Sizes

Version MicroBadger Layers (tag) MicroBadger Size (tag)

Version MicroBadger Layers (tag) MicroBadger Size (tag)

Version MicroBadger Layers (tag) MicroBadger Size (tag)

How to use this image

amd64/armhf (Alpine)

docker pull yobasystems/gitlab-runner

sudo docker run -d --name=gitlab-runner --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v /data/gitlab-runner/config:/etc/gitlab-runner yobasystems/gitlab-runner

Register runner with gitlab server

These can be passed at runtime as environment variables or by running the following command:

docker exec -it gitlab-runner /bin/sh

gitlab-runner register -n --url https://gitlab.url.domain.co.uk/ci --registration-token eRp938AHcv8JiHi4hUip --executor docker --docker-image "yobasystems/alpine-docker" --docker-privileged

aarch64 (Ubuntu based on gitlab runner 11.2)

docker pull yobasystems/gitlab-runner:aarch64
docker pull yobasystems/gitlab-runner:aarch64-helper-11-2
docker tag yobasystems/gitlab-runner:aarch64-helper-11-2 gitlab-runner-helper:11.2.0

sudo docker run -d --name=gitlab-runner --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v /data/gitlab-runner/config:/etc/gitlab-runner yobasystems/gitlab-runner:aarch64

Register runner with gitlab server

These can be passed at runtime as environment variables or by running the following command:

docker exec -it gitlab-runner /bin/bash

sudo gitlab-runner register -n --url https://gitlab.url.domain.co.uk/ci --registration-token eRp938AHcv8JiHi4hUip --executor docker --docker-image "yobasystems/alpine-docker:aarch64" --docker-privileged

Config file

Sometimes it is needed to add the following "/var/run/docker.sock:/var/run/docker.sock", in the example below you will see the placement.

concurrent = 1
check_interval = 0
[[runners]]
  name = "gitlab-runner001"
  url = "https://gitlab.url.domain.co.uk/ci"
  token = "eRp938AHcv8JiHi4hUip"
  executor = "docker"
  [runners.docker]
    tls_verify = false
    image = "yobasystems/alpine-docker:dind"
    privileged = true
    disable_cache = true
    volumes = ["/var/run/docker.sock:/var/run/docker.sock", "/cache"]
    shm_size = 0
  [runners.cache]

Usage

Use like you would any other base image:

version: '2'
services:
  gitlab-runner:
    privileged: true
    image: yobasystems/gitlab-runner
    stdin_open: true
    volumes:
    - /var/run/docker.sock:/var/run/docker.sock
    - /data/gitlab-runner/config:/etc/gitlab-runner
    tty: true

Image contents & Vulnerability analysis

Source Repository

Links

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