docker-publish.yml

name: Build Docker Image (Manual)

# This workflow is for manual Docker builds only
# For automatic releases, the release.yml workflow handles everything when you push a tag
on:
  workflow_dispatch: # Manual trigger only
    inputs:
      tag:
        description: "Docker image tag (e.g., dev, test, custom-tag)"
        required: false
        default: "manual"
      push:
        description: "Push to registry (true/false)"
        required: false
        default: "false"

env:
  REGISTRY: ghcr.io
  # Convert repository name to lowercase for Docker compatibility
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    name: Build Docker Image (Manual)
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Convert repository name to lowercase
        id: repo
        run: echo "name=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        if: ${{ github.event.inputs.push == 'true' }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64
          push: ${{ github.event.inputs.push == 'true' }}
          tags: ${{ env.REGISTRY }}/${{ steps.repo.outputs.name }}:${{ github.event.inputs.tag }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Output instructions
        run: |
          if [ "${{ github.event.inputs.push }}" == "true" ]; then
            echo "✅ Docker image pushed to: ${{ env.REGISTRY }}/${{ steps.repo.outputs.name }}:${{ github.event.inputs.tag }}"
            echo ""
            echo "Pull with:"
            echo "  docker pull ${{ env.REGISTRY }}/${{ steps.repo.outputs.name }}:${{ github.event.inputs.tag }}"
          else
            echo "✅ Docker image built locally (not pushed)"
            echo ""
            echo "To push manually, re-run workflow with push=true"
          fi