name: Docker Image CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout before build
        uses: actions/checkout@v3
      - name: Build the Docker image
        run: docker build . --file Dockerfile --tag cook:$(date +%s)