docker-build-push workflow (idrl-lab/idrlnet)

The docker-build-push workflow from idrl-lab/idrlnet, explained and optimized by Latchkey.

CI health: C - fair

Point runs-on at Latchkey and get run de-duplication, job timeouts, SHA-pinned actions, self-healing for flaky steps, and up to 58% lower cost, applied automatically.

Grade your own workflow free or run it on Latchkey →

Source: idrl-lab/idrlnet.github/workflows/docker.ymlLicense Apache-2.0View source

What it does

This is the docker-build-push workflow from the idrl-lab/idrlnet repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

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

The workflow

workflow (.yml)

name: docker-build-push

on:
  push:
    branches: [master]
  release:
    types: [published, edited]


jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Login to DockerHub
        uses: docker/login-action@v1 
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Print event_name
        run: echo "$GITHUB_EVENT_NAME, ${{ github.event_name }}, ${{ github.event.release.tag_name }}"
      
      -
        name: Publish master to Dockerhub
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/idrlnet:latest
          file: Dockerfile

      -
        name: Get release version
        if: github.event_name == 'release'
        id: get_version
        run: echo "::set-output name=RELEASE_VERSION::${{ github.event.release.tag_name }}"

      -
        name: Publish Releases to Dockerhub
        if: github.event_name == 'release'
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/idrlnet:${{ steps.get_version.outputs.RELEASE_VERSION }}
          file: Dockerfile

The same workflow, on Latchkey

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

name: docker-build-push
 
on:
  push:
    branches: [master]
  release:
    types: [published, edited]
 
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  docker:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Login to DockerHub
        uses: docker/login-action@v1 
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Print event_name
        run: echo "$GITHUB_EVENT_NAME, ${{ github.event_name }}, ${{ github.event.release.tag_name }}"
      
      -
        name: Publish master to Dockerhub
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/idrlnet:latest
          file: Dockerfile
 
      -
        name: Get release version
        if: github.event_name == 'release'
        id: get_version
        run: echo "::set-output name=RELEASE_VERSION::${{ github.event.release.tag_name }}"
 
      -
        name: Publish Releases to Dockerhub
        if: github.event_name == 'release'
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/idrlnet:${{ steps.get_version.outputs.RELEASE_VERSION }}
          file: Dockerfile

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.

4 third-party actions are referenced by a movable tag. Pin them to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

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

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