name: build-ext

on:
  push:
    branches:
      - ext
    tags:
      - ext

jobs:
  docker-build-push:
    runs-on: docker
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

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

      - name: Login to Registry
        uses: docker/login-action@v3
        with:
          registry: git.4nkweb.com
          username: ${{ secrets.USER }}
          password: ${{ secrets.TOKEN }}

      - name: Derive Docker tag
        id: vars
        run: |
          DOCKER_TAG="ext"
          echo "tag=${DOCKER_TAG}" >> $GITHUB_OUTPUT

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: |
            git.4nkweb.com/4nk/4nk_certificator:${{ steps.vars.outputs.tag }}
          cache-from: type=registry,ref=git.4nkweb.com/4nk/4nk_certificator:cache
          cache-to: type=registry,ref=git.4nkweb.com/4nk/4nk_certificator:cache,mode=max