publish.yml

name: Publish

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'The version used to tag the images'     
        required: true
        default: 'latest'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Prepare
        id: prepare
        run: |
          DOCKER_IMAGE=ghcr.io/holzeis/signet
          DOCKER_PLATFORMS=linux/amd64,linux/arm/v7,linux/arm64
          VERSION=${{ github.event.inputs.version }}
          TAGS="--tag ${DOCKER_IMAGE}:${VERSION}"
          echo ::set-output name=docker_image::${DOCKER_IMAGE}
          echo ::set-output name=version::${VERSION}
          echo ::set-output name=buildx_args::--platform ${DOCKER_PLATFORMS} \
            ${TAGS} .
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: latest
      - name: Available platforms
        run: echo ${{ steps.buildx.outputs.platforms }}
      - name: Docker Buildx (build)
        run: |
          docker buildx build --no-cache --pull --output "type=image,push=false" ${{ steps.prepare.outputs.buildx_args }}
      - name: Docker Login
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ secrets.GHCR_USERNAME }}
          password: ${{ secrets.GHCR_PASSWORD }}
      - name: Docker Buildx (push)
        run: |
          docker buildx build --output "type=image,push=true" ${{ steps.prepare.outputs.buildx_args }}
      - name: Clear
        if: always()
        run: |
          rm -f ${HOME}/.docker/config.json