name: Build

on:
  push:
    branches:
      - main

env:
  DOCKER_BUILDKIT: 1
  DOCKER_TLS_CERTDIR: ""

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          buildkitd-config-inline: |
            [registry."docker.io"]
              mirrors = ["docker-mirror.mcintire.me"]

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Log in to container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ secrets.REGISTRY_URL }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Extract metadata
        id: meta
        run: |
          TIMESTAMP=$(date +%s)
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          IMAGE=${{ secrets.REGISTRY_URL }}/${{ github.repository }}
          echo "image=${IMAGE}" >> $GITHUB_OUTPUT
          echo "tag=${IMAGE}:main-${TIMESTAMP}-${SHORT_SHA}" >> $GITHUB_OUTPUT
          echo "latest_tag=${IMAGE}:latest" >> $GITHUB_OUTPUT
          echo "cache_tag=${IMAGE}:buildcache" >> $GITHUB_OUTPUT

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: k8s/Dockerfile
          push: true
          tags: |
            ${{ steps.meta.outputs.tag }}
            ${{ steps.meta.outputs.latest_tag }}
          cache-from: type=registry,ref=${{ steps.meta.outputs.cache_tag }}
          cache-to: type=registry,ref=${{ steps.meta.outputs.cache_tag }},mode=max