Pull faster.
Ship safer.

# .github/workflows/push.yml
name: Build & Push to Registry
on:
  push:
    branches: [main]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Login to Registry
        uses: docker/login-action@v3
        with:
          registry: registry.io
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}
      - name: Build & Push
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: |
            registry.io/${{ github.repository }}:latest
            registry.io/${{ github.repository }}:sha-${{ github.sha }}
          cache-from: type=registry,ref=registry.io/${{ github.repository }}:cache
          cache-to: type=registry,ref=registry.io/${{ github.repository }}:cache,mode=max