name: Publish Docker Image

on:
  push:
    tags:
      - '*'

jobs:
  build-and-publish:
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repository
        uses: actions/checkout@v3

      - name: Extract tag name
        id: get_tag
        run: echo "::set-output name=TAG_NAME::${GITHUB_REF#refs/tags/v}"

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v3
        with:
          context: .
          push: true
          tags: flyerhzm/synvert-ruby:${{ steps.get_tag.outputs.TAG_NAME }}