Merge pull request #383 from FraunhoferISST/chore/java21_backend

Chore: update backend to Java 21

.github/workflows/codeql.yml

@@ -84,7 +84,7 @@ jobs:
         if: ${{ matrix.language == 'java' }}
         uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
         with:
-          java-version: 17
+          java-version: 21
           distribution: temurin
           java-package: jdk
           cache: maven

backend/DOCKER_NOTICE.md

@@ -8,7 +8,7 @@ Eclipse Tractus-X product(s) installed within the image:
 - Project license: [Apache License, Version 2.0](https://github.com/eclipse-tractusx/puris/blob/main/backend/LICENSE)
 
 **Used Base Image [Backend]**
-`eclipse-temurin:17-jre-alpine`
+`eclipse-temurin:21-jre-alpine`
 
 - DockerHub: https://hub.docker.com/_/eclipse-temurin
 - GitHub project: https://github.com/adoptium/containers

backend/Dockerfile

@@ -18,7 +18,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-FROM maven:3.8.7-eclipse-temurin-17 as build
+FROM maven:3.9.6-eclipse-temurin-21 as build
 RUN mkdir /app
 WORKDIR /app
 COPY pom.xml .
@@ -27,11 +27,11 @@ RUN mvn dependency:go-offline
 COPY src/ /app/src/
 RUN mvn clean package -DskipTests
 
-FROM eclipse-temurin:17-jre-alpine
+FROM eclipse-temurin:21-jre-alpine
 RUN mkdir /opt/app
 COPY --from=build /app/target/*.jar /opt/app/puris-backend.jar
 
-RUN adduser -u 8877 -D nonroot && chmod 755 /opt/app/puris-backend.jar
+RUN adduser -u 8877 --disabled-password --gecos "" --no-create-home nonroot && chmod 755 /opt/app/puris-backend.jar
 
 USER nonroot
 

backend/pom.xml

@@ -37,7 +37,7 @@
   <name>puris-backend</name>
   <description>PURIS Backend</description>
   <properties>
-    <java.version>17</java.version>
+    <java.version>21</java.version>
     <springdoc.version>2.5.0</springdoc.version>
     <hibernate-validator.version>8.0.1.Final</hibernate-validator.version>
     <snakeyaml.version>2.2</snakeyaml.version>