publish-docker-image.yml

name: Publish Docker image

on:
  push:
    branches: [ "master" ]

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      packages: write
      contents: read
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: jyhsu/ckip-service
          tags: |
            # set latest tag for default branch
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}