push-docker-image.yml

name: Publica imagem no DockerHub

# Executar sempre que uma release for publicada.
on:
  release:
    types: [published]

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      # Checkout no código fonte
      - name: Check out the repo
        uses: actions/checkout@v3

      # Login no docker hub com as credenciais configuradas na organização no github
      - name: Log in to Docker Hub
        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Extrai metadados da release: tags e labels
      # Usa o namespace do docker hub configurado na organização do github
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
        with:
          images: ${{ secrets.DOCKERHUB_ORGANIZATION }}/laia

      - name: Build and push Docker image
        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}