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Create .github/workflows/docker-publish.yml
This publishes images to Docker thanks to the wrath of cron.
Xe Iaso
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Apr 11, 2023
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name: Docker image builds | ||
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# This workflow uses actions that are not certified by GitHub. | ||
# They are provided by a third-party and are governed by | ||
# separate terms of service, privacy policy, and support | ||
# documentation. | ||
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on: | ||
schedule: | ||
- cron: '37 13 * * *' | ||
push: | ||
branches: [ "main" ] | ||
# Publish semver tags as releases. | ||
tags: [ 'v*.*.*' ] | ||
pull_request: | ||
branches: [ "main" ] | ||
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env: | ||
# Use docker.io for Docker Hub if empty | ||
REGISTRY: ghcr.io | ||
# github.repository as <account>/<repo> | ||
IMAGE_NAME: ${{ github.repository }} | ||
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jobs: | ||
build: | ||
runs-on: ubuntu-latest | ||
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 the cosign tool except on PR | ||
# https://github.com/sigstore/cosign-installer | ||
- name: Install cosign | ||
if: github.event_name != 'pull_request' | ||
uses: sigstore/cosign-installer@f3c664df7af409cb4873aa5068053ba9d61a57b6 #v2.6.0 | ||
with: | ||
cosign-release: 'v1.13.1' | ||
# Workaround: https://github.com/docker/build-push-action/issues/461 | ||
- name: Setup Docker buildx | ||
uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf | ||
# 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@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c | ||
with: | ||
registry: ${{ env.REGISTRY }} | ||
username: ${{ github.actor }} | ||
password: ${{ secrets.GITHUB_TOKEN }} | ||
# Extract metadata (tags, labels) for Docker | ||
# https://github.com/docker/metadata-action | ||
- name: Extract Docker metadata | ||
id: meta | ||
uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38 | ||
with: | ||
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | ||
# 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@ac9327eae2b366085ac7f6a2d02df8aa8ead720a | ||
with: | ||
context: . | ||
push: ${{ github.event_name != 'pull_request' }} | ||
tags: ${{ steps.meta.outputs.tags }} | ||
labels: ${{ steps.meta.outputs.labels }} | ||
cache-from: type=gha | ||
cache-to: type=gha,mode=max | ||
# Sign the resulting Docker image digest except on PRs. | ||
# This will only write to the public Rekor transparency log when the Docker | ||
# repository is public to avoid leaking data. If you would like to publish | ||
# transparency data even for private images, pass --force to cosign below. | ||
# https://github.com/sigstore/cosign | ||
- name: Sign the published Docker image | ||
if: ${{ github.event_name != 'pull_request' }} | ||
env: | ||
COSIGN_EXPERIMENTAL: "true" | ||
# This step uses the identity token to provision an ephemeral certificate | ||
# against the sigstore community Fulcio instance. | ||
run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }} |