fedora-bootc/.gitea/workflows/build.yml

---
name: Build container image
on:
  pull_request:
    branches:
      - main
  schedule:
    - cron: "05 10 * * *" # 10:05am UTC everyday
  push:
    branches:
      - main
    paths-ignore:
      - "**/README.md"
  workflow_dispatch:

env:
  REGISTRY_USER: ${{ github.actor }}
  REGISTRY_AUTH_FILE: /root/.podman/auth.json
  IMAGE_DESC: "My customized Fedora bootc image, based on Universal Blue"
  IMAGE_KEYWORDS: "bootc,fedora,silverblue,ublue,universal-blue"
  IMAGE_LOGO_URL: "https://davejansen.dev/avatars/940c9cc684fa03784359f97d591a389ecd90cd912acf2335a60acd616922000a?size=48"
  IMAGE_NAME: "${{ github.event.repository.name }}" # output image name, usually same as repo name
  IMAGE_REGISTRY: davejansen.dev
  IMAGE_OWNER: ${{ github.repository_owner }}
  FEDORA_BASE: 43
  REPO_URL:
    https://davejansen.dev/${{ github.repository_owner }}/${{
    github.event.repository.name }}

concurrency:
  group:
    ${{ github.workflow }}-${{ github.ref || github.run_id }}-${{
    inputs.brand_name}}-${{ inputs.stream_name }}
  cancel-in-progress: true

jobs:
  build_push:
    name: Build and push image
    runs-on: ubuntu-24.04

    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Prepare environment
        run: |
          # Lowercase the image uri
          echo "IMAGE_REGISTRY=${IMAGE_REGISTRY,,}" >> ${GITHUB_ENV}
          echo "IMAGE_NAME=${IMAGE_NAME,,}" >> ${GITHUB_ENV}

          # Pre-create Podman's auth file directory and file, this is somehow needed here.
          #mkdir -p /tmp/podman-run-0/containers
          #echo "{}" > /tmp/podman-run-0/containers/auth.json

          # Pre-create docker config file
          #mkdir -p ~/.docker
          #echo "{}" > ~/.docker/config.json

          #touch /tmp/podman-run-0/containers/auth.json

      # These stage versions are pinned by https://github.com/renovatebot/renovate
      - name: Checkout
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5

      - name: Get current date
        id: date
        run: |
          # This generates a timestamp like what is defined on the ArtifactHub documentation
          # E.G: 2022-02-08T15:38:15Z'
          # https://artifacthub.io/docs/topics/repositories/container-images/
          # https://linux.die.net/man/1/date
          echo "date=$(date -u +%Y\-%m\-%d\T%H\:%M\:%S\Z)" >> $GITHUB_OUTPUT

      # Image metadata for https://artifacthub.io/ - This is optional but is highly recommended so we all can get a index of all the custom images
      # The metadata by itself is not going to do anything, you choose if you want your image to be on ArtifactHub or not.
      - name: Image Metadata
        uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5
        id: metadata
        env:
          README_URL: ${{ env.REPO_URL }}/raw/commit/${{ github.sha }}/README.md
        with:
          # This generates all the tags for your image, you can add custom tags here too!
          tags: |
            type=raw,value=latest,enable=${{ github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
            type=raw,value=${{ env.FEDORA_BASE }},enable=${{ github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
            type=raw,value=${{ env.FEDORA_BASE }}-{{date 'YYYYMMDD'}},enable=${{ github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
            type=sha,enable=${{ github.event_name == 'pull_request' }}
            type=ref,event=pr
          labels: |
            io.artifacthub.package.readme-url=${{ env.README_URL }}
            org.opencontainers.image.created=${{ steps.date.outputs.date }}
            org.opencontainers.image.description=${{ env.IMAGE_DESC }}
            org.opencontainers.image.documentation=${{ env.README_URL }}
            org.opencontainers.image.source=${{ env.REPO_URL }}/raw/commit/${{ github.sha }}/Containerfile
            org.opencontainers.image.title=${{ env.IMAGE_NAME }}
            org.opencontainers.image.url=${{ env.REPO_URL }}
            org.opencontainers.image.vendor=${{ github.repository_owner }}
            org.opencontainers.image.version=${{ env.FEDORA_BASE }}-{{date 'YYYYMMDD'}}
            io.artifacthub.package.deprecated=false
            io.artifacthub.package.keywords=${{ env.IMAGE_KEYWORDS }}
            io.artifacthub.package.license=Apache-2.0
            io.artifacthub.package.logo-url=${{ env.IMAGE_LOGO_URL }}
            io.artifacthub.package.prerelease=false
            containers.bootc=1
          sep-tags: " "
          sep-annotations: " "

      - name: Install build dependencies
        run: |
          apt-get -y update && apt-get -y install buildah podman

      - name: Build Image
        id: build_image
        uses: redhat-actions/buildah-build@7a95fa7ee0f02d552a32753e7414641a04307056 # v2
        with:
          containerfiles: |
            ./Containerfile
          build-args: |
            FEDORA_BASE=${{ env.FEDORA_BASE }}
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ steps.metadata.outputs.tags }}
          labels: ${{ steps.metadata.outputs.labels }}
          extra-args: --isolation=chroot
          oci: false

      # Rechunk is a script that we use on Universal Blue to make sure there isnt a single huge layer when your image gets published.
      # This does not make your image faster to download, just provides better resumability and fixes a few errors.
      # Documentation for Rechunk is provided on their github repository at https://github.com/hhd-dev/rechunk
      # You can enable it by uncommenting the following lines:
      # - name: Run Rechunker
      #   id: rechunk
      #   uses: hhd-dev/rechunk@f153348d8100c1f504dec435460a0d7baf11a9d2 # v1.1.1
      #   with:
      #     rechunk: 'ghcr.io/hhd-dev/rechunk:v1.0.1'
      #     ref: "localhost/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
      #     prev-ref: "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
      #     skip_compression: true
      #     version: ${{ env.CENTOS_VERSION }}
      #     labels: ${{ steps.metadata.outputs.labels }} # Rechunk strips out all the labels during build, this needs to be reapplied here with newline separator

      # This is necessary so that the podman socket can find the rechunked image on its storage
      # - name: Load in podman and tag
      #   run: |
      #     IMAGE=$(podman pull ${{ steps.rechunk.outputs.ref }})
      #     sudo rm -rf ${{ steps.rechunk.outputs.output }}
      #     for tag in ${{ steps.metadata.outputs.tags }}; do
      #       podman tag $IMAGE ${{ env.IMAGE_NAME }}:$tag
      #     done

      - name: Login to Container Registry
        run: |
          podman login \
            --verbose \
            --authfile "${{ env.REGISTRY_AUTH_FILE }}" \
            --username "${{ env.REGISTRY_USER }}" \
            --password "${{ secrets.CONTAINER_TOKEN }}" \
            ${{ env.IMAGE_REGISTRY }}

      - name: Push To Registry
        uses: redhat-actions/push-to-registry@5ed88d269cf581ea9ef6dd6806d01562096bee9c # v2
        if:
          github.event_name != 'pull_request' && github.ref ==
          format('refs/heads/{0}', github.event.repository.default_branch)
        id: push
        env:
          REGISTRY_PASSWORD: ${{ secrets.CONTAINER_TOKEN }}
        with:
          extra-args: --authfile=${{ env.REGISTRY_AUTH_FILE }}
          registry: ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_OWNER }}
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ steps.metadata.outputs.tags }}

      # This section is optional and only needs to be enabled if you plan on distributing
      # your project for others to consume. You will need to create a public and private key
      # using Cosign and save the private key as a repository secret in Github for this workflow
      # to consume. For more details, review the image signing section of the README.
      - name: Install Cosign
        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
        if:
          github.event_name != 'pull_request' && github.ref ==
          format('refs/heads/{0}', github.event.repository.default_branch)

      - name: Sign container image
        if:
          github.event_name != 'pull_request' && github.ref ==
          format('refs/heads/{0}', github.event.repository.default_branch)
        env:
          IMAGE_FULL:
            ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME
            }}
          TAGS: ${{ steps.push.outputs.digest }}
          COSIGN_EXPERIMENTAL: false
          COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
          COSIGN_PASSWORD: ""
        run: |
          for tag in ${{ steps.metadata.outputs.tags }}; do
            cosign sign -y --key env://COSIGN_PRIVATE_KEY $IMAGE_FULL:$tag
          done