name: Dockerhub
on:
    workflow_dispatch: {}
    push:
        tags: [v*]
    schedule:
        # This job can take a while, and we have usage limits, so just publish develop only twice a day
        - cron: "0 7/12 * * *"
concurrency: ${{ github.workflow }}-${{ github.ref_name }}

permissions:
    id-token: write # needed for signing the images with GitHub OIDC Token
jobs:
    buildx:
        name: Docker Buildx
        runs-on: ubuntu-latest
        environment: dockerhub
        strategy:
            fail-fast: false
            matrix:
                include:
                    - variant: vanilla
                    # Variant we ship to aid ESS in providing a build on the OpenCoDE platform including specific modules
                    - variant: opendesk
                      flavor: suffix=-opendesk,onlatest=true
                      prepare: mv variants/openDesk/* .
        steps:
            - uses: actions/checkout@v4
              with:
                  fetch-depth: 0 # needed for docker-package to be able to calculate the version

            - name: Install Cosign
              uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3

            - name: Prepare
              if: matrix.prepare
              run: ${{ matrix.prepare }}

            - name: Set up QEMU
              uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3

            - name: Set up Docker Buildx
              uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3
              with:
                  install: true

            - name: Login to Docker Hub
              uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3
              with:
                  username: ${{ secrets.DOCKERHUB_USERNAME }}
                  password: ${{ secrets.DOCKERHUB_TOKEN }}

            - name: Docker meta
              id: meta
              uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5
              with:
                  images: |
                      vectorim/element-web
                  tags: |
                      type=ref,event=branch
                      type=ref,event=tag
                  flavor: |
                      latest=${{ contains(github.ref_name, '-rc.') && 'false' || 'auto' }}
                      ${{ matrix.flavor }}

            - name: Build and push
              id: build-and-push
              uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5
              with:
                  context: .
                  push: true
                  platforms: linux/amd64,linux/arm64
                  tags: ${{ steps.meta.outputs.tags }}
                  labels: ${{ steps.meta.outputs.labels }}

            - name: Sign the images with GitHub OIDC Token
              env:
                  DIGEST: ${{ steps.build-and-push.outputs.digest }}
                  TAGS: ${{ steps.meta.outputs.tags }}
              run: |
                  images=""
                  for tag in ${TAGS}; do
                      images+="${tag}@${DIGEST} "
                  done
                  cosign sign --yes ${images}

            - name: Update repo description
              if: matrix.variant == 'vanilla'
              uses: peter-evans/dockerhub-description@e98e4d1628a5f3be2be7c231e50981aee98723ae # v4
              continue-on-error: true
              with:
                  username: ${{ secrets.DOCKERHUB_USERNAME }}
                  password: ${{ secrets.DOCKERHUB_TOKEN }}
                  repository: vectorim/element-web