build-image.yml

name: Build Image

on:
  push:
    branches:
      - main
  workflow_call:
    inputs:
      tag:
        description: 'Additional tag for built image'
        required: false
        type: string
        default: ""
  pull_request_target:
    types: [ opened, edited, synchronize, reopened, ready_for_review ]
permissions:
  id-token: write # This is required for requesting the JWT token
  contents: read # This is required for actions/checkout

jobs:
  get-custom-tags:
    runs-on: ubuntu-latest
    outputs:
      tags: ${{ steps.get_custom_tags.outputs.tags }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Get tags
        id: get_custom_tags
        run: |
          tags=""
          if [[ "${{ github.event_name }}" == "push" ]]; then
            tags="latest"
          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            tags="${{ inputs.tag }}"
          elif [[ "${{ github.event_name }}" == "pull_request_target" ]]; then
            tags="${{ github.event.pull_request.head.sha }}"
          fi
          echo "Using custom tags: '$tags'"
          echo "tags=$tags" >> $GITHUB_OUTPUT
  build-image:
    needs: get-custom-tags
    uses: kyma-project/test-infra/.github/workflows/image-builder.yml@main
    with:
      name: runtime-watcher
      dockerfile: Dockerfile
      context: ./runtime-watcher
      # tags are additional tags that will be added to the image on top of the default ones
      # default tags are documented here: https://github.com/kyma-project/test-infra/tree/main/cmd/image-builder#default-tags
      tags: ${{ needs.get-custom-tags.outputs.tags }}