Docker CI workflow (ryanlelek/Raneto)

The Docker CI workflow from ryanlelek/Raneto, explained and optimized by Latchkey.

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Source: ryanlelek/Raneto.github/workflows/docker.ci.ymlLicense MITView source

What it does

This is the Docker CI workflow from the ryanlelek/Raneto repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

---
# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images

name: Docker CI
on:
  push:
    branches: ['main']

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    environment: Docker

    steps:
      # https://github.com/marketplace/actions/checkout
      # - name: Build the Docker image
      #   uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      #   run: docker build . --file Dockerfile --tag raneto/raneto:latest-$(date +%s)

      # https://github.com/marketplace/actions/docker-setup-qemu
      - name: Set up QEMU
        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0

      # https://github.com/marketplace/actions/docker-setup-buildx
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0

      # https://github.com/marketplace/actions/docker-login
      # https://github.com/docker/login-action
      - name: Login to Docker Hub
        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      # https://github.com/marketplace/actions/build-and-push-docker-images
      # https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
      - name: Build and push
        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
        with:
          #context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: raneto/raneto:unstable

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

---
# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
 
name: Docker CI
on:
  push:
    branches: ['main']
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  build:
    timeout-minutes: 30
    runs-on: latchkey-small
    environment: Docker
 
    steps:
      # https://github.com/marketplace/actions/checkout
      # - name: Build the Docker image
      #   uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      #   run: docker build . --file Dockerfile --tag raneto/raneto:latest-$(date +%s)
 
      # https://github.com/marketplace/actions/docker-setup-qemu
      - name: Set up QEMU
        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
 
      # https://github.com/marketplace/actions/docker-setup-buildx
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
 
      # https://github.com/marketplace/actions/docker-login
      # https://github.com/docker/login-action
      - name: Login to Docker Hub
        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}
 
      # https://github.com/marketplace/actions/build-and-push-docker-images
      # https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
      - name: Build and push
        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
        with:
          #context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: raneto/raneto:unstable

What changed

Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
Cancel superseded runs when a branch or PR gets a newer push.
Add a job timeout so a hung step cannot burn hours of runner time.

What Latchkey heals here

This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:

Container pulls and builds

This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/checkout docker/setup-qemu-action docker/setup-buildx-action docker/login-action docker/build-push-action