name: Build and Push Container Image

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

env:
  REGISTRY: ${{ gitea.server_url }}
  IMAGE_NAME: ${{ gitea.repository }}

jobs:
  build-and-push:
    runs-on: orchestration-platform
    container:
      image: gcr.io/kaniko-project/executor:debug
      options: --entrypoint=""

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

      - 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: Build and push image
        run: |
          REGISTRY_HOST=$(echo "${REGISTRY}" | sed 's|https\?://||')
          AUTH=$(echo -n "${{ gitea.actor }}:${{ secrets.REGISTRY_TOKEN }}" | base64)

          mkdir -p /kaniko/.docker
          cat > /kaniko/.docker/config.json <<EOF
          {
            "auths": {
              "${REGISTRY_HOST}": {
                "auth": "${AUTH}"
              }
            }
          }
          EOF

          /kaniko/executor \
            --context "${GITHUB_WORKSPACE}" \
            --dockerfile "${GITHUB_WORKSPACE}/Dockerfile" \
            --destination "${REGISTRY_HOST}/${IMAGE_NAME}:${{ steps.meta.outputs.tag }}" \
            --cache=true