publish-image.yaml

name: "Publish container images"
on:
  workflow_dispatch:
  workflow_call: # Workflow is meant to be called from another workflow, with the image tag as input
    inputs:
      image-tags:
        description: "Which tag to give the images. Supports multiple tags if comma separated, ie 'tag1,tag2'"
        required: true
        type: string

env:
  IMAGE_REGISTRY: ghcr.io
  REGISTRY_USER: $GITHUB_ACTOR
  APPLICATION_IMAGE: ghcr.io/equinor/dm-core-packages/example

jobs:
  build-and-publish-application:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
        with:
          fetch-depth: 2

      - name: "Login to image registry"
        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login $IMAGE_REGISTRY -u $GITHUB_ACTOR --password-stdin

      - name: "Build web"
        run: |
          docker build --tag $APPLICATION_IMAGE example

      - name: "Publish web"
        run: |
          IFS=','
          for IMAGE_TAG in $(echo ${{ inputs.image-tags }})
          do
            echo "Tagging with $APPLICATION_IMAGE"
            docker tag $APPLICATION_IMAGE $APPLICATION_IMAGE:$IMAGE_TAG
            docker push $APPLICATION_IMAGE:$IMAGE_TAG
          done