name: Build and Push Container Image

on:
  push:
    branches:
      - main
    tags:
      - "v*"

jobs:
  build-and-push:
    runs-on: orchestration-platform
    container:
      image: docker:latest

    steps:
      - name: Install git
        run: apk add --no-cache git

      - name: Checkout code
        run: |
          git clone --branch "${GITHUB_REF_NAME}" "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git" .

      - name: Determine image tag
        id: meta
        run: |
          if echo "${{ gitea.ref }}" | grep -q "refs/tags/"; then
            TAG=$(echo "${{ gitea.ref }}" | sed 's|refs/tags/||')
          else
            TAG="latest"
          fi
          echo "tag=${TAG}" >> "$GITHUB_OUTPUT"

      - name: Setup registry auth
        run: |
          REGISTRY_HOST=$(echo "${{ gitea.server_url }}" | sed 's|https\?://||')
          AUTH=$(echo -n "${{ gitea.actor }}:${{ secrets.REGISTRY_TOKEN }}" | base64)
          mkdir -p ~/.docker
          cat > ~/.docker/config.json <<EOF
          {
            "auths": {
              "${REGISTRY_HOST}": {
                "auth": "${AUTH}"
              }
            }
          }
          EOF

      - name: Build and push image
        run: |
          REGISTRY_HOST=$(echo "${{ gitea.server_url }}" | sed 's|https\?://||')
          IMAGE="${REGISTRY_HOST}/${{ gitea.repository }}:${{ steps.meta.outputs.tag }}"
          docker build -t "${IMAGE}" .
          docker push "${IMAGE}"