name: Build and Push Image

on:
  push:
    branches: [main]
  workflow_dispatch:

env:
  REGISTRY_HOST: registry.campbellwireless.net
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker-build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        run: |
          git init
          git remote add origin "${{ github.server_url }}/${{ github.repository }}.git"
          git config http.extraheader "Authorization: Basic $(printf '%s' '${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}' | base64)"
          git fetch --depth=1 origin "${{ github.sha }}"
          git checkout FETCH_HEAD

      - name: Compute image tags
        id: tags
        run: echo "sha_short=$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY_HOST }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.REGISTRY_HOST }}/${{ env.IMAGE_NAME }}:latest
            ${{ env.REGISTRY_HOST }}/${{ env.IMAGE_NAME }}:${{ steps.tags.outputs.sha_short }}