build.yml

name: build

on:
  push:
    branches:
      - "main"
      - "feature-*"
      - "bug-*"
    paths:
      - "src/**"
      - "Dockerfile"
      - "go.mod"
      - "go.sum"
  release:
    types: [published]
  workflow_dispatch:

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v5
        with:
          images: |
            tobiasehlert/teslamateapi
            ghcr.io/tobiasehlert/teslamateapi
          tags: |
            type=edge
            type=ref,event=branch,enable=${{ (github.ref != 'refs/heads/main') }}
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}
            type=semver,pattern={{major}}.{{minor}}
        env:
          DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index

      - name: Install Cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@v3

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

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

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

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

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm/v7,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          annotations: ${{ steps.docker_meta.outputs.annotations }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          tags: ${{ steps.docker_meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          sbom: true
          build-args: |
            apiVersion=${{ fromJSON(steps.docker_meta.outputs.json).labels['org.opencontainers.image.version'] }}

      - name: Sign the images (with GitHub OIDC Token)
        if: github.event_name != 'pull_request'
        run: |
          cosign sign --yes --recursive \
            tobiasehlert/teslamateapi@${{ steps.docker_build.outputs.digest }}

          cosign sign --yes --recursive \
            ghcr.io/tobiasehlert/teslamateapi@${{ steps.docker_build.outputs.digest }}

      - name: Inspect image
        run: |
          echo "::group::Inspecting Manifest"
          docker buildx imagetools inspect ${{ fromJson(steps.docker_meta.outputs.json).tags[0] }}@${{ steps.docker_build.outputs.digest }} --format '{{ json .Manifest }}'
          echo "::endgroup::"

          echo "::group::Inspecting (linux/amd64) Image"
          docker buildx imagetools inspect ${{ fromJson(steps.docker_meta.outputs.json).tags[0] }}@${{ steps.docker_build.outputs.digest }} --format '{{ json (index .Image "linux/amd64") }}'
          echo "::endgroup::"

          echo "::group::Inspecting (linux/amd64) Provenance"
          docker buildx imagetools inspect ${{ fromJson(steps.docker_meta.outputs.json).tags[0] }}@${{ steps.docker_build.outputs.digest }} --format '{{ json (index .Provenance "linux/amd64") }}'
          echo "::endgroup::"

          echo "::group::Inspecting (linux/amd64) SBOM"
          docker buildx imagetools inspect ${{ fromJson(steps.docker_meta.outputs.json).tags[0] }}@${{ steps.docker_build.outputs.digest }} --format '{{ json (index .SBOM "linux/amd64") }}'
          echo "::endgroup::"

      - name: Verify cosign signatures
        run: |
          echo "::group::Verify signature (DockerHub)"
          cosign verify --rekor-url https://rekor.sigstore.dev \
            --certificate-identity "https://github.com/${{ github.workflow_ref }}" \
            --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
            tobiasehlert/teslamateapi@${{ steps.docker_build.outputs.digest }}
          echo "::endgroup::"

          echo "::group::Verify signature (GitHub Container Registry)"
          cosign verify --rekor-url https://rekor.sigstore.dev \
            --certificate-identity "https://github.com/${{ github.workflow_ref }}" \
            --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
            ghcr.io/tobiasehlert/teslamateapi@${{ steps.docker_build.outputs.digest }}
          echo "::endgroup::"

  dockerhub:
    if: github.event_name == 'release'
    runs-on: ubuntu-latest
    needs:
      - build
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker Hub Description
        uses: peter-evans/dockerhub-description@v4
        if: github.event_name == 'release'
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          short-description: ${{ github.event.repository.description }}