docker.yml

name: Build and Push Docker Image

on:
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Log in to GitHub Container Registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Set up JDK 21
        uses: actions/setup-java@v3
        with:
          java-version: '21'
          distribution: 'adopt'

      - name: Cache Gradle dependencies
        uses: actions/cache@v3
        with:
            path: ~/.gradle/caches
            key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
            restore-keys: |
              ${{ runner.os }}-gradle-

      - name: Build with Gradle
        run: ./gradlew build shadowJar

      - name: Build Docker Image
        run: docker build -t ghcr.io/glorrian/castle:latest .

      - name: Push Docker Image
        run: docker push ghcr.io/glorrian/castle:latest