name: Build experimental image on branch

on:
  push:
    branches:
      - master
      - v*

env:
  GO_VERSION: '1.21'
  CGO_ENABLED: 0

jobs:

  experimental:
    if: github.repository == 'traefik/traefik'
    name: Build experimental image on branch
    runs-on: ubuntu-20.04

    steps:

      # https://github.com/marketplace/actions/checkout
      - name: Check out code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Build webui
        run: |
          make clean-webui generate-webui

      - name: Set up Go ${{ env.GO_VERSION }}
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Build
        run: make generate binary

      - name: Branch name
        run: echo ${GITHUB_REF##*/}

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

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Build docker experimental image
        env:
          DOCKER_BUILDX_ARGS: "--push"
        run: |
          make multi-arch-image-experimental-${GITHUB_REF##*/}