name: Build Docker Image

on:
  push:
    tags:
      - app/v*.*.*

jobs:
  docker:
    runs-on: ubuntu-latest
    env:
      ACTIONS_ALLOW_UNSECURE_COMMANDS: true

    steps:
      - name: Check out
        uses: actions/checkout@v3

      - name: Get tag
        id: get_tag
        run: echo "TAG=$(git describe --tags --always --match 'app/v*' | sed -n 's|app/\([^/-]*\)\(-.*\)\{0,1\}|\1|p')" >> $GITHUB_OUTPUT

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

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

      - name: Login to DockerHub
        uses: docker/login-action@v2.1.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v4.0.0
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: tobyxdd/hysteria:latest,tobyxdd/hysteria:v2,tobyxdd/hysteria:${{ steps.get_tag.outputs.TAG }}

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}