Update Java, Spring, Node and dependencies

.github/workflows/maven.yml

@@ -16,12 +16,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 17
-      uses: actions/setup-java@v3
+    - uses: actions/checkout@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
       with:
-        java-version: '17'
-        distribution: 'temurin'
+        java-version: '21'
+        distribution: 'oracle'
         cache: maven
     - name: Build
       run: ./mvnw compile

.mvn/wrapper/maven-wrapper.properties

@@ -6,13 +6,14 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#   https://www.apache.org/licenses/LICENSE-2.0
+#   http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
 # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.0/apache-maven-3.9.0-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

.nvmrc

@@ -1 +1 @@
-v18.14
+v18.20

README.md

@@ -8,15 +8,15 @@ ReactJS in the frontend and Spring Data REST in the backend.
 
 ## 🚀 Stack
 
-- **Backend**: Java 17 LTS, Spring Boot 3 (web, security, JPA),
+- **Backend**: Java 21 LTS, Spring Boot 3 (web, security, JPA),
   Postgres / H2 (or whatever DB is compatible with JPA).
 - **Frontend**: ReactJS, React Router, Bootstrap,
   Axios, Reactstrap, Node 18 / Npm / Webpack (build).
 
 
 ### ⚙️ Requirements
 
-- **JDK 17+**
+- **JDK 21+**
 - **Maven 3+**, or you can use the script `./mvnw` instead that it will install
   Maven 3.9 in the user space automatically if the required version isn't there
 
@@ -111,4 +111,4 @@ from _Spring.io_ (Greg Turnquist and other authors from _Pivotal_), but I ended
 rewriting  almost all from scratch and adding a lot of features, like Bootstrap,
 client side validations, routing, updating dependencies to major versions ...
 
-2015-2023  |  Apache-2.0
+2015-2025  |  Apache-2.0