# Referenced from: https://docs.github.com/en/actions/publishing-packages/publishing-docker-images#introduction
name: Publish Docker to GHCR
permissions: write-all

on:
    push:
        tags:
            - 'v*.*.*'

env:
    REGISTRY: ghcr.io
    IMAGE_NAME: ${{ github.repository }}

jobs:
    build-and-push-image:
        runs-on: ubuntu-latest
        permissions:
            contents: read
            packages: write
        steps:
            - name: Checkout repository
              uses: actions/checkout@v4
            - name: Log in to the Container registry
              uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
              with:
                  registry: ${{ env.REGISTRY }}
                  username: ${{ github.actor }}
                  password: ${{ secrets.GITHUB_TOKEN }}
            - name: Extract metadata (tags, labels) for Docker
              id: meta
              uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
              with:
                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
                  tags: |
                      type=ref,event=branch
                      type=ref,event=pr
                      type=semver,pattern={{version}}
                      type=semver,pattern={{major}}.{{minor}}
                      type=semver,pattern={{major}}
            - name: Set up QEMU
              uses: docker/setup-qemu-action@v3
            - name: Setup Docker buildx
              uses: docker/setup-buildx-action@v3
            - name: Build and push Docker image
              uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
              with:
                  context: .
                  push: true
                  tags: ${{ steps.meta.outputs.tags }}
                  labels: ${{ steps.meta.outputs.labels }}
                  platforms: |
                    linux/amd64
                    linux/arm/v7
                    linux/arm64/v8
