name: Create docker images

on:
  push:
    tags:
      - 'v*.*.*'
  workflow_dispatch:
    inputs:
      version:
        description: 'Optional image version (e.g. 3.0.0, beta)'
        required: false
        default: ''

jobs:
  build:
    name: Build, push, and deploy
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - uses: actions/checkout@v5

      - name: Install cosign
        uses: sigstore/cosign-installer@v3

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

      - name: Log into Docker Hub
        if: github.repository == 'umami-software/umami'
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Log into GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Normalize manual input if provided
      - name: Normalize manual version
        id: normalize
        run: |
          INPUT="${{ github.event.inputs.version }}"
          if [[ -n "$INPUT" ]]; then
            VERSION="${INPUT#v}"
            MAJOR=$(echo "$VERSION" | cut -d. -f1)
            MINOR=$(echo "$VERSION" | cut -d. -f2)
            echo "version_tags=${VERSION},${MAJOR}.${MINOR},${MAJOR},latest" >> $GITHUB_ENV
          else
            echo "version_tags=" >> $GITHUB_ENV
          fi

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            umamisoftware/umami,enable=${{ github.repository == 'umami-software/umami' }}
            ghcr.io/${{ github.repository }}
          flavor: |
            latest=auto
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=${{ env.version_tags }},enable=${{ env.version_tags != '' }}
            type=ref,event=branch
            type=sha

      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: false # disable automatic attestations

      # Generate a local provenance attestation instead of uploading signatures
      - name: Generate provenance attestation
        run: |
          cosign attest --yes \
            --predicate <(echo '{"build":"github-actions","repo":"${{ github.repository }}","run_id":"${{ github.run_id }}"}') \
            --type slsaprovenance \
            ${{ steps.meta.outputs.tags }}