name: Build Backend

defaults:
  run:
    shell: sh

on:
  push:
    paths:
      - "backend/**"
  workflow_dispatch: {}

jobs:
  build:
    runs-on: host
    steps:
      - name: Install Git and Docker CLI
        run: apk add --no-cache git docker-cli docker-cli-buildx

      - name: Log in to Gitea Container Registry
        # This uses the automated token provided natively by Gitea Actions
        run: echo "${{ secrets.babymonitor_cicd }}" | docker login gitea.lan -u ${{ github.actor }} --password-stdin

      - name: Create Custom Buildx Builder for HTTP
        run: |
          # 1. Write a configuration rule forcing plain HTTP for your local domain
          echo '[registry."gitea.lan"]' > buildkitd.toml
          echo '  http = true' >> buildkitd.toml
          
          # 2. Tell buildx to create and use a builder with this rule
          docker buildx create --use --name local-http-builder --config buildkitd.toml

      - name: Checkout
        uses: actions/checkout@v3
        with:
          # Tells the action to use the local 'git' binary we just installed
          set-safe-directory: 'true'

      - name: Build Docker image
        run: |
          docker buildx build \
            --platform linux/arm64 \
            -t gitea.lan/jacobh2/babymonitor:backend-latest \
            ./backend \
            --push