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Build and push Docker images #45

Build and push Docker images

Build and push Docker images #45

Workflow file for this run

name: Docker
on:
schedule:
- cron: "15 14 * * *"
push:
branches: ["main"]
pull_request:
branches: ["main"]
workflow_dispatch:
env:
# Use docker.io for Docker Hub if empty
REGISTRY: ghcr.io
# github.repository as <account>/<repo>
IMAGE_NAME: ${{ github.repository }}
jobs:
build:
strategy:
fail-fast: false
matrix:
variant:
- base
- gnome
- flagship
- xfce
- kde
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@v4
# 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@v3
- name: Set up QEMU
uses: docker/setup-qemu-action@v3
# with:
# platforms: arm64
# Workaround: https://github.com/docker/build-push-action/issues/461
- name: Setup Docker buildx
uses: docker/setup-buildx-action@v3
# with:
# platforms: linux/amd64,linux/arm64
# 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.GITHUB_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:
github-token: ${{ secrets.GITHUB_TOKEN }}
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@v5
with:
context: ${{ matrix.variant }}
file: ${{ matrix.variant }}/Containerfile
push: ${{ github.event_name != 'pull_request' }}
# tags: ${{ steps.meta.outputs.tags }}
tags: ghcr.io/ultramarine-linux/${{ matrix.variant }}-bootc
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
# platforms: linux/amd64,linux/arm64
# 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:
# https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
TAGS: ${{ steps.meta.outputs.tags }}
DIGEST: ${{ steps.build-and-push.outputs.digest }}
# This step uses the identity token to provision an ephemeral certificate
# against the sigstore community Fulcio instance.
run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}