Use conditional CI triggering (#20) #59
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name: Docker CI | |
on: | |
push: | |
branches: main | |
paths: | |
- '*.Dockerfile' | |
- '*.Dockerfile.dockerignore' | |
- .github/workflows/docker.yaml | |
- plato | |
pull_request: | |
branches: main | |
paths: | |
- '*.Dockerfile' | |
- '*.Dockerfile.dockerignore' | |
- .github/workflows/docker.yaml | |
- plato | |
env: | |
REGISTRY: ghcr.io | |
jobs: | |
docker-build: | |
runs-on: ubuntu-latest | |
strategy: | |
matrix: | |
purpose: [builder, emulator] | |
env: | |
IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/plato-${{ matrix.purpose }} | |
permissions: | |
packages: write | |
contents: read | |
steps: | |
- name: Checkout repository | |
uses: actions/checkout@v4 | |
with: | |
submodules: 'true' | |
# Extract metadata (tags, labels) for Docker | |
# https://github.com/docker/metadata-action | |
- name: Extract Docker metadata | |
id: meta | |
if: ${{ github.event_name != 'pull_request' }} | |
uses: docker/metadata-action@v5 | |
with: | |
images: ${{ env.IMAGE_NAME }} | |
flavor: latest=true | |
- name: Log into registry ${{ env.REGISTRY }} | |
if: ${{ github.event_name != 'pull_request' }} | |
uses: docker/login-action@v3 | |
with: | |
registry: ${{ env.REGISTRY }} | |
username: ${{ github.actor }} | |
password: ${{ secrets.GITHUB_TOKEN }} | |
# Build and push Docker image with Buildx (don't push on PR) | |
# https://github.com/docker/build-push-action | |
- name: Build and push Docker image | |
id: build-and-push | |
uses: docker/build-push-action@v6 | |
with: | |
file: ${{ matrix.purpose }}.Dockerfile | |
context: ./plato | |
push: ${{ github.event_name != 'pull_request' }} | |
tags: ${{ steps.meta.outputs.tags }} | |
labels: ${{ steps.meta.outputs.labels }} | |
- name: Check image layers | |
id: check-layers | |
if: ${{ github.event_name != 'pull_request' }} | |
run: | | |
set -eux -o pipefail | |
docker pull ${{ env.IMAGE_NAME }} | |
docker images | |
docker image history ${{ env.IMAGE_NAME }} |