name: ci
on:
  push:
jobs:
  docker:
    runs-on: catthehacker
    steps:
      - name: Test shell
        run: zsh
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

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

      - name: Build
        uses: docker/build-push-action@v6
        with:
          tags: user/app:latest
        env:
          SOURCE_DATE_EPOCH: ${{ env.TIMESTAMP }}