dyndnsd/.github/workflows/cd.yml

---
name: cd

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

jobs:
  release-dockerimage:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Extract dyndnsd version from tag name
      run: |
        echo "DYNDNSD_VERSION=${GITHUB_REF#refs/*/v}" >> $GITHUB_ENV
    # https://github.com/marketplace/actions/build-and-push-docker-images
    - name: Build and push Docker image for dyndnsd ${{ env.DYNDNSD_VERSION }}
      uses: docker/build-push-action@v1
      with:
        username: cmur2
        password: ${{ secrets.DOCKER_TOKEN }}
        repository: cmur2/dyndnsd
        path: docker
        build_args: DYNDNSD_VERSION=${{ env.DYNDNSD_VERSION }}
        tag_with_ref: true