ci.yaml

name: Build and push to DockerHub

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'

env:
  REGISTRY: docker.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-deploy:
    runs-on: ubuntu-latest
    if: startsWith(github.event.ref, 'refs/tags/v')
    steps:
      - name: "Check out"
        uses: actions/checkout@v4

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

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

      - name: "Extract metadata for Docker"
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}

      - name: "Test Docker image"
        run: |
          docker run --rm -d ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest

      - name: "Build and push"
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}