build-tools.yml

name: build build-tools image, and push it to DockerHub
on:
  push:
    # trigger CI only when build-tools dockerfile updated and merged to master branch
    branches:
      - master
    paths:
      - 'build/docker/build-tools/build-tools.dockerfile'

jobs:
  publish-image-to-dockerhub:
    name: publish to DockerHub
    runs-on: ubuntu-22.04
    steps:
      - name: checkout code
        uses: actions/checkout@v4
        with:
          # fetch-depth:
          # 0 indicates all history for all branches and tags.
          # for `git describe --tags` in Makefile.
          fetch-depth: 0
      - name: install QEMU
        uses: docker/setup-qemu-action@v1
      - name: install Buildx
        uses: docker/setup-buildx-action@v1
      - name: login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USER_NAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: build and publish images
        run: build/docker/build-tools/make-build-tools.sh push