deploy-dockerhub-action.yml

name: Build image and publish to Docker Hub

on:
  workflow_dispatch:
  push:
    tags:
      - 'v*'

jobs:
  build_and_publish:
    name: Build and publish image
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Extract metadata for Docker (SemVer)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ secrets.DOCKERHUB_NAMESPACE }}/${{ secrets.DOCKERHUB_IMAGENAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
      
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      
      - name: Build and publish image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
      
      - name: Update Hub description
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          repository: ${{ secrets.DOCKERHUB_NAMESPACE }}/${{ secrets.DOCKERHUB_IMAGENAME }}
          short-description: ${{ github.event.repository.description }}
          enable-url-completion: true