name: SMTP Proxy Server Docker Image CI

on:
  push:
    paths:
      - "smtp_proxy_server/**"
    tags:
      - "*"
    branches:
      - main
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: smtp_proxy_server

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v6

      - name: Log in to the Container registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Set lowercase repository name
        run: echo "REPO_LOWER=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV

      - name: Build and push Docker images
        uses: docker/build-push-action@v7
        with:
          context: ./smtp_proxy_server
          file: ./smtp_proxy_server/dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.REPO_LOWER }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}
            ${{ env.REGISTRY }}/${{ env.REPO_LOWER }}/${{ env.IMAGE_NAME }}:latest