docker-image.yml

name: Docker Image CI

on:
  push:
    branches: [ "main" ]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v3
    
    - name: Login to Docker Hub
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}

    # https://github.com/docker/metadata-action
    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v4
      with:
        images: |
          ${{ secrets.DOCKERHUB_USERNAME }}/kotlincrud-postgres
        tags: |
          type=schedule
          type=ref,event=branch
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=sha
        flavor: |
         latest=true
    
    - name: Build and push
      uses: docker/build-push-action@v4
      with:
        context: .
        file: ./Dockerfile
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        build-args: |
          BUILDTIME=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.created'] }}
          VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
          REVISION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.revision'] }}