name: 'Push Docker Images'

on:
  push:
    branches: [v4]
  workflow_dispatch:

jobs:
  push:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Get commit sha
        id: sha
        run: |
          echo "short_sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - uses: docker/setup-qemu-action@v2
      - uses: docker/setup-buildx-action@v2
      - uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/build-push-action@v4
        with:
          push: true
          platforms: linux/amd64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: |
            ghcr.io/diced/zipline:v4
            ghcr.io/diced/zipline:v4-${{ steps.sha.outputs.short_sha }}