UpSnap/.github/workflows/deploy-docker.yml

name: Publish docker images

on:
  push:
    tags:
      - "v3.*.*"
  workflow_dispatch:

jobs:
  build:
    runs-on: self-hosted
    steps:
      # pull code
      - name: Check Out Repo
        uses: actions/checkout@v3

      # extract tags
      - name: Prepare tags
        id: prep
        run: |
          DOCKER_IMAGE=ghcr.io/seriousm4x/upsnap
          VERSION=${{github.ref_name}}
          TAGS="${DOCKER_IMAGE}:${VERSION},${DOCKER_IMAGE}:${VERSION:0:2},${DOCKER_IMAGE}:latest"
          echo ::set-output name=tags::${TAGS}

      # qemu
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      # docker buildx
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2

      # ghcr.io login
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # build and push
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v3
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: ${{ steps.prep.outputs.tags }}
          build-args: |
            VERSION=${{github.ref_name}}

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}