docker-build.yml

name: docker-build

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}-${{ github.head_ref || github.ref_name }}
  cancel-in-progress: true

on:
  schedule:
    - cron: "0 10 * * *"
  create:
    tags:
      - "v*.*.*"
  push:
    branches:
      - "**"
    tags:
      - "v*.*.*"
  release:
    types: [published]
  pull_request:
    branches:
      - "main"

env:
  TEST_TAG: horaceworblehat/borg-server:test

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      - name: Install cosign
        uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@369eb591f429131d6889c46b94e711f089e6ca96 # v5
        with:
          # list of Docker images to use as base name for tags
          images: |
            horaceworblehat/borg-server
            ghcr.io/AnotherStranger/borg-server
          # generate Docker tags based on the following events/attributes
          tags: |
            type=schedule,value=latest
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha,format=long
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@53851d14592bedcffcf25ea515637cff71ef929a # v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@6524bf65af31da8d45b59e8c27de4bd072b392f5 # v3

      - name: Login to Docker Hub
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3
        if: github.event_name != 'pull_request'
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3
        if: github.event_name != 'pull_request'
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get Git commit timestamps
        run: echo "TIMESTAMP=$(git log -1 --pretty=%ct)" >> $GITHUB_ENV

      - name: Build Testimage
        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6
        env:
          SOURCE_DATE_EPOCH: ${{ env.TIMESTAMP }}
        with:
          load: true
          tags: ${{ env.TEST_TAG }}
          cache-from: type=gha
          cache-to: type=gha,mode=max


      - name: Run small selftest on build container image
        run: docker run -v "./tests/selftest.sh:/selftest.sh" "${{ env.TEST_TAG }}" ./selftest.sh

      - name: Build and push
        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6
        id: docker-build
        env:
          SOURCE_DATE_EPOCH: ${{ env.TIMESTAMP }}
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/386,linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Sign image with a key
        run: |
          images=""
          for tag in ${TAGS}; do
            images+="${tag}@${DIGEST} "
          done
          cosign sign --yes --key env://COSIGN_PRIVATE_KEY ${images}
        if: ${{ github.event_name != 'pull_request' }}
        env:
          DIGEST: ${{ steps.docker-build.outputs.digest }}
          TAGS: ${{ steps.meta.outputs.tags }}
          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        if: ${{ github.event_name != 'pull_request' }}
        with:
          image-ref: "ghcr.io/anotherstranger/borg-server:sha-${{ github.sha }}"
          format: 'sarif'
          output: "trivy-results.sarif"
          severity: "CRITICAL,HIGH"

      - name: Upload Trivy scan results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@b6a472f63d85b9c78a3ac5e89422239fc15e9b3c # v3
        if: ${{ github.event_name != 'pull_request' }}
        with:
          sarif_file: "trivy-results.sarif"