name: Build and Publish Docker Image

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

env:
  REGISTRY: git.home.db123.ir
  NAMESPACE: db1234719
  IMAGE_NAME: nginx-alpine

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true

      - name: Determine version
        id: version
        shell: bash
        run: |
          if [[ "${GITHUB_REF}" =~ ^refs/tags/v(.+) ]]; then
            VERSION="${BASH_REMATCH[1]}"
          else
            VERSION="latest"
          fi
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ env.NAMESPACE }}
          password: ${{ secrets.CICD_PASSWORD }}

      - name: Build & push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.VERSION }}