docker-cd.yml

name: Docker CD

on:
  push:
    tags:
      - '**'
    # branches:
    #   - 'main'

jobs:
  Build-Upload-Image:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository code
        uses: actions/checkout@v2

      - name: Generate Docker metadata
        id: docker_meta
        uses: docker/metadata-action@v3
        with:
          images: ghcr.io/inu-appcenter/NoticeAlarm-server
          # type=ref는 메인 브랜치 푸시용, type=semver는 태그 푸시용. 전자는 안 쓸 것이지만 써놓긴 함.
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ steps.docker_meta.outputs.tags }}