ghcr.yml

name: Build

on:
  push:
    tags:
      - '*'

jobs:
  build:
    name: Docker images for ghcr.io
    runs-on: ubuntu-latest
    env:
      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
      DOCKER_REGISTRY: ghcr.io
      DOCKER_IMAGE_BASE: ${{ github.repository }}
    steps:
      - name: Set tag
        run: echo "TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV

      - name: Check out the repo
        uses: actions/checkout@v2

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Log in to the registry
        uses: docker/login-action@v1
        with:
          registry: ${{ env.DOCKER_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Image tags & labels
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_IMAGE_BASE }}

      - name: Image build & push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: Dockerfile
          push: true
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          build-args: TAG=${{ env.TAG }}