Update Java, gradle and dependencies.

.github/workflows/build-and-stage.yml

@@ -0,0 +1,90 @@
+name: Build and deploy JAR
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+    - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  checks: write
+  contents: read
+  pull-requests: write
+  statuses: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Java version
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: liberica
+
+      - name: Build with Gradle
+        run: ./gradlew --no-daemon build
+
+      - name: Upload artifact for deployment job
+        uses: actions/upload-artifact@v4
+        with:
+          name: java-app
+          path: 'build/libs/*.jar'
+
+  deploy:
+    name: Deploy
+    if: ${{ github.secret_source == 'Actions' }}
+    environment:
+      name: ${{ github.event_name == 'pull_request' && format('pr-{0}', github.event.number) || vars.STAGING_SLOT_NAME }}
+      url: ${{ steps.deploy-to-webapp.outputs.webapp-url }}
+    env:
+      SLOT_NAME: ${{ github.event_name == 'pull_request' && format('pr-{0}', github.event.number) || vars.STAGING_SLOT_NAME }}
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Download artifact from build job
+      uses: actions/download-artifact@v4
+      with:
+        name: java-app
+
+    - name: Login to Azure
+      uses: azure/login@v2
+      with:
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+    - name: If PR, create a new staging slot
+      if: ${{ github.event_name == 'pull_request' }}
+      run: az webapp deployment slot create --resource-group ${{ vars.AZURE_RESOURCE_GROUP }} --name ${{ vars.AZURE_WEBAPP_NAME}} --slot ${{ env.SLOT_NAME }} --configuration-source ${{ vars.STAGING_SLOT_NAME }}
+
+    - name: Deploy to staging slot
+      id: deploy-to-webapp
+      if: ${{ github.secret_source == 'Actions' }}
+      uses: azure/webapps-deploy@v3
+      with:
+        app-name: 'initializr-config'
+        package: '*.jar'
+        slot-name: ${{ env.SLOT_NAME }}
+
+    - name: If PR, comment with the preview link
+      if: ${{ github.event_name == 'pull_request' }}
+      uses: mshick/add-pr-comment@v2
+      with:
+        message: |
+          ## Preview link: https://${{ vars.AZURE_WEBAPP_NAME }}-${{ env.SLOT_NAME }}.azurewebsites.net/SteeltoeInitializr/Staging
+
+          - Your changes have been deployed to the preview site. The preview site will update as you add more commits to this branch.
+          - The preview link is shareable, but will be deleted when the pull request is merged or closed.
+
+          > *This is an automated message.*
+        repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pr-cleanup.yml

@@ -0,0 +1,33 @@
+name: Delete a preview environment
+
+on:
+  pull_request:
+    types:
+    - closed
+
+env:
+  SLOT_NAME: pr-${{ github.event.number }}
+
+jobs:
+  delete-slot:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Log into Azure CLI with service principal
+      uses: azure/login@v2
+      with:
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+    - name: Delete slot on staging site
+      run: az webapp deployment slot delete --resource-group ${{ vars.AZURE_RESOURCE_GROUP }} --name ${{ vars.AZURE_WEBAPP_NAME}} --slot ${{ env.SLOT_NAME }}
+
+  delete-deployment:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete Deployment Environment
+        uses: strumwolf/delete-deployment-environment@v3
+        with:
+          environment: "pr-${{ github.event.number }}"
+          token: ${{ secrets.GITHUB_TOKEN }}
+          onlyRemoveDeployments: true

.github/workflows/stage-prod-swap.yml

@@ -0,0 +1,22 @@
+name: Swap staging slot contents into production
+
+on:
+  workflow_dispatch:
+
+jobs:
+  promote-to-production:
+    name: Promote to production
+    runs-on: ubuntu-latest
+    environment:
+      name: production
+      url: 'https://${{ vars.AZURE_WEBAPP_NAME }}.azurewebsites.net/'
+
+    steps:
+    - name: Log into Azure CLI with service principal
+      uses: azure/login@v2
+      with:
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+    - name: Swap slots
+      run: az webapp deployment slot swap -s ${{ vars.STAGING_SLOT_NAME }} -n ${{ vars.AZURE_WEBAPP_NAME }} -g ${{ vars.AZURE_RESOURCE_GROUP }}
+

build.gradle

@@ -1,28 +1,32 @@
 plugins {
-	id 'org.springframework.boot' version '3.2.2'
-	id 'io.spring.dependency-management' version '1.1.4'
-	id 'java'
-	id 'com.gorylenko.gradle-git-properties' version '2.4.1'
+    id 'java'
+    id 'org.springframework.boot' version '3.5.4'
+    id 'io.spring.dependency-management' version '1.1.7'
+    id 'com.gorylenko.gradle-git-properties' version '2.4.2'
 }
 
 group = steeltoeInitializrConfigServerGroup
 version = steeltoeInitializrConfigServerVersion
 
 java {
-	sourceCompatibility = '17'
+  toolchain {
+    languageVersion = JavaLanguageVersion.of(21)
+  }
 }
 
+
 repositories {
 	mavenCentral()
 }
 
 ext {
-	set('springCloudVersion', "2023.0.0")
+	set('springCloudVersion', "2025.0.0")
 }
 
 dependencies {
-	implementation 'org.springframework.cloud:spring-cloud-config-server'
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    implementation 'org.springframework.cloud:spring-cloud-config-server'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 
 dependencyManagement {

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME