docker-image.yml

name: Docker Image CI

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'
        cache: maven
    - name: Download the backend JAR
      run: mvn -B dependency:copy-dependencies -DexcludeTransitive=true
    - name: Build the Docker image
      run: docker build --tag playground-docker:$(date +%s) .