build.yaml

on:
  workflow_dispatch:
  push:
    tags:
      - '*'

permissions:
  contents: read
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
      - name: Login to GitHub Container Registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
      - name: Set Lowercase Image Tag
        id: prep
        run: |
          IMAGE_TAG="ghcr.io/${{ github.repository }}:${{ github.ref_name }}"
          IMAGE_TAG_LOWER=$(echo "$IMAGE_TAG" | tr '[:upper:]' '[:lower:]')
          echo "IMAGE_TAG_LOWER=$IMAGE_TAG_LOWER" >> $GITHUB_ENV
      - name: Build and Push Multi-Arch Docker Image
        run: |
          docker buildx build --platform linux/amd64,linux/arm64 -t "$IMAGE_TAG_LOWER" --push .