name: Docker Image CI

on:
  push:
    branches: [ "master" ]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    - name: Login to GitHub Container Registry
      run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
    - name: Build the Docker image
      run: docker build . --file Dockerfile --tag ghcr.io/danbulant/tcp-spawner:latest
    - name: Tag the docker image (date)
      run: docker tag ghcr.io/danbulant/tcp-spawner:latest ghcr.io/danbulant/tcp-spawner:$(date --iso-8601)
    - name: Publish the Docker image
      run: docker push ghcr.io/danbulant/tcp-spawner:$(date --iso-8601)
    - name: Publish the Docker image
      run: docker push ghcr.io/danbulant/tcp-spawner:latest