docker.yml

name: 🐳 Docker
on:
  push:
    branches:
      - docker
  pull_request:
    branches:
      - docker
  workflow_dispatch:
    inputs:
      reason:
        description: 'Reason for manual run'
        required: true
        default: 'Manual run'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: pungrumpy/dotfiles

permissions:
  id-token: write
  packages: write
  contents: read
  attestations: write

jobs:
  build-and-push:
    name: 🚀 Build and push Docker image
    runs-on: ubuntu-latest
    steps:
      - name: 🛎️ Checkout
        uses: actions/checkout@v4
      - name: 🤔 Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: 🪙 Extract metadata (tags, labels) for Docker
        id: metadata
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
      - name: 🏗️ Build Docker image
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.metadata.outputs.tags }}
          labels: ${{ steps.metadata.outputs.labels }}
      - name: 📦 Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
          subject-digest: ${{ steps.build.outputs.digest }}
          push-to-registry: true