build-docker.yml

name: build-docker
on:
  workflow_dispatch:
  push:
    branches:
      - main

env:
  REGISTRY: ghcr.io

jobs:
  build:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
      - name: Validate Gradle Wrapper
        uses: gradle/actions/wrapper-validation@v4
      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 21
          check-latest: true
      - name: Build with Gradle
        run: ./gradlew build
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          tags: |
            type=raw,value=latest
            type=raw,value=${{ github.ref_name }}
            type=semver,pattern={{version}}
          images: ${{ env.REGISTRY }}/${{ github.repository }}
      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          provenance: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max