name: Build docker images

on:
  workflow_call:
    inputs:
      tags:
        description: 'Tags to build the image for (separated by a whitespace)'
        required: true
        type: string


jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4


      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: src/go.mod
          cache-dependency-path: src/go.sum


      - name: Get go dependencies
        run: |
          cd src
          go mod download 


      - name: Setup ko
        # KO is a tool for building go container images https://ko.build/
        uses: ko-build/setup-ko@v0.6
        # KO is configured to use GHCR as the registry


      - name: Format tags with a comma
        id: format-tags
        run: echo "TAGS=$(echo ${{ inputs.tags }} | tr ' ' ',')" >> $GITHUB_OUTPUT


      - name: Build images
        run: |
          cd src
          ko build --tags="${{ steps.format-tags.outputs.TAGS }}" --platform=linux/amd64,linux/arm64 --bare --sbom=none