docker #101
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name: docker | |
on: | |
workflow_run: | |
workflows: [crane] | |
branches: [main] | |
types: | |
- completed | |
# schedule: | |
# - cron: 0 0 * * 1 | |
# push: | |
# branches: ["main"] | |
# # Publish semver tags as releases. | |
# tags: [ 'v*.*.*' ] | |
# pull_request: | |
# branches: [ "main" ] | |
env: | |
# Use docker.io for Docker Hub if empty | |
REGISTRY: ghcr.io | |
# github.repository as <account>/<repo> | |
IMAGE_NAME: ${{ github.repository }} | |
jobs: | |
build: | |
runs-on: ubuntu-latest | |
# https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#running-a-workflow-based-on-the-conclusion-of-another-workflow | |
if: ${{ github.event.workflow_run.conclusion == 'success' }} | |
permissions: | |
contents: read | |
packages: write | |
# This is used to complete the identity challenge | |
# with sigstore/fulcio when running outside of PRs. | |
id-token: write | |
steps: | |
- name: Checkout repository | |
uses: actions/checkout@v3 | |
# Install Nix | |
- name: Install Nix | |
uses: DeterminateSystems/nix-installer-action@main | |
- uses: DeterminateSystems/magic-nix-cache-action@main | |
# Set up BuildKit Docker container builder to be able to build | |
# multi-platform images and export cache | |
# https://github.com/docker/setup-buildx-action | |
- name: Set up Docker Buildx | |
uses: docker/setup-buildx-action@v3 | |
# Login against a Docker registry except on PR | |
# https://github.com/docker/login-action | |
- 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.GHCR_TOKEN }} | |
# Extract metadata (tags, labels) for Docker | |
# https://github.com/docker/metadata-action | |
- name: Extract Docker metadata | |
id: meta | |
uses: docker/metadata-action@v5 | |
with: | |
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
# Build Nix package | |
- name: Build Nix package | |
run: nix build .#dockerImage | |
# https://github.com/orgs/community/discussions/25768#discussioncomment-3249183 | |
- name: Downcase REPO | |
run: | | |
echo "REPO=${GITHUB_REPOSITORY,,}" >> ${GITHUB_ENV} | |
- name: Strip REPO Username | |
run: | | |
STRIP_REPO_USERNAME=$(echo "${{ env.REPO }}" | sed 's/nexveridian\///') | |
echo "STRIP_REPO_USERNAME=${STRIP_REPO_USERNAME}" >> ${GITHUB_ENV} | |
# https://github.com/docker/build-push-action/issues/538 | |
- name: Push and tag Docker image | |
run: | | |
docker load < result | |
docker tag ${{ env.STRIP_REPO_USERNAME }}:latest ${{ env.REGISTRY }}/${{ env.REPO }}:latest | |
docker push ${{ env.REGISTRY }}/${{ env.REPO }}:latest |