docker-image.yaml

name: Docker Image CI

on:
  push:
    tags:
      - '*'
  workflow_dispatch:

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

jobs:

  build:

    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Fetch the tags
        run: |
          # fetch the history (including tags) from within a shallow clone
          git fetch --prune --unshallow
      - name: Build the Docker image
        run: |
          # Get tag and remove `v', if exists
          tag=`git describe --tags`;
          tag=${tag//v/};
          # to lowercase
          image_name="${{ env.IMAGE_NAME }}"
          image_name="`echo "$image_name" | sed -e 's/\(.*\)/\L\1/'`"
          docker build -f ./docker/Dockerfile  --tag ${{ env.REGISTRY }}/$image_name:$tag .;
          echo "image_name=$image_name" >> $GITHUB_ENV;
          echo "tag=$tag" >> $GITHUB_ENV;
      - name: Test Docker Image
        run: ./docker/tests/runImageTests.sh ${{ env.REGISTRY }}/$image_name:$tag
      - name: Push docker image to registry
        run: docker push ${{ env.REGISTRY }}/$image_name:$tag