feat: Added ci and devcontainer json with java 25

Author: julian-siebert

.devcontainer/devcontainer.json

@@ -0,0 +1,14 @@
+{
+  "name": "o7studios/gentle",
+  "image": "ubuntu:latest",
+  "customizations" : {
+    "jetbrains" : {
+      "backend" : "IntelliJ"
+    }
+  },
+  "features": {
+    "ghcr.io/devcontainers/features/git" : {},
+    "ghcr.io/devcontainers/features/java:1": {"version": "25", "installGradle": true,}
+  },
+  "remoteUser": "ubuntu"
+}

.github/workflows/ci.yml

@@ -0,0 +1,101 @@
+name: "⚙️ CI & Release Workflow"
+on:
+  push:
+  pull_request:
+    types: [ opened, reopened ]
+
+env:
+  JAVA_VERSION: '25'
+  JAVA_DISTRIBUTION: 'temurin'
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  lint:
+    name: "🧹 Lint Code"
+    runs-on: ubuntu-latest
+    steps:
+      - name: "📥 Checkout Code (Full History)"
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: "☕ Setup Java ${{ env.JAVA_VERSION }}"
+        uses: actions/setup-java@v5
+        with:
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+          java-version: ${{ env.JAVA_VERSION }}
+
+      - name: "⚡ Setup Gradle with Cache"
+        uses: gradle/actions/setup-gradle@v5
+
+      - name: "🔍 Run Check"
+        run: ./gradlew check
+
+  test:
+    name: "✅ Run Tests"
+    runs-on: ubuntu-latest
+    steps:
+      - name: "📥 Checkout Code (Full History)"
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: "☕ Setup Java ${{ env.JAVA_VERSION }}"
+        uses: actions/setup-java@v5
+        with:
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+          java-version: ${{ env.JAVA_VERSION }}
+
+      - name: "⚡ Setup Gradle with Cache"
+        uses: gradle/actions/setup-gradle@v5
+
+      - name: "🧪 Run Unit Tests"
+        run: ./gradlew test
+
+  releaser:
+    name: "🏁 Release"
+    if: startsWith(github.ref, 'refs/tags/')
+    needs:
+      - test
+      - lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: "📥 Checkout Code (Full History)"
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: "☕ Setup Java ${{ env.JAVA_VERSION }}"
+        uses: actions/setup-java@v5
+        with:
+          distribution: ${{ env.JAVA_DISTRIBUTION }}
+          java-version: ${{ env.JAVA_VERSION }}
+
+      - name: "⚡ Setup Gradle with Cache"
+        uses: gradle/actions/setup-gradle@v5
+
+      - name: "🚀 Publish to Maven Central"
+        env:
+          GPG_KEY: ${{ secrets.GPG_KEY }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+        run: |
+          RAW_TAG="${GITHUB_REF##*/}"
+          VERSION="${RAW_TAG#v}"
+
+          [[ "$VERSION" =~ ^[0-9]+(\.[0-9]+)*$ ]] || exit -1
+          ./gradlew publishToCentralPortal -Pversion="$VERSION"
+
+      - name: "📦 Build all shadowJARs"
+        run: ./gradlew clean shadowJar
+
+      - name: "🚀 Create GitHub Release"
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            build/libs/*.jar
+          generate_release_notes: true

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME