try java 21

.github/workflows/codeql-analysis.yml

@@ -40,11 +40,11 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v2
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v3
       with:
         distribution: 'zulu'
-        java-version: 17
+        java-version: 21
         cache: 'maven'
 
     # Initializes the CodeQL tools for scanning.

.github/workflows/maven.yaml

@@ -19,11 +19,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
-          java-version: 17
+          java-version: 21
           cache: 'maven'
 
       - uses: helm/[email protected]

Dockerfile

@@ -1,20 +1,20 @@
-FROM gcr.io/distroless/java17:nonroot AS SECURITY
-FROM openjdk:17 AS BUILD
+FROM --platform=$BUILDPLATFORM gcr.io/distroless/java21:nonroot AS SECURITY
+FROM --platform=$BUILDPLATFORM openjdk:21 AS BUILD
 
 COPY . /opt
 WORKDIR /opt
 RUN ./mvnw clean install -DskipTests
 
 ENV JAVA_RANDOM="file:/dev/./urandom"
 
-COPY --from=SECURITY /etc/java-17-openjdk/security/java.security /java.security
+COPY --from=SECURITY /etc/java-21-openjdk/security/java.security /java.security
 RUN echo "networkaddress.cache.ttl=60" >> /java.security
 RUN sed -i -e "s@^securerandom.source=.*@securerandom.source=${JAVA_RANDOM}@" /java.security
 
-FROM --platform=$BUILDPLATFORM gcr.io/distroless/java17:nonroot
+FROM --platform=$BUILDPLATFORM gcr.io/distroless/java21:nonroot
 
 COPY --from=BUILD /opt/target/vault-crd.jar /opt/vault-crd.jar
-COPY --from=BUILD /java.security /etc/java-17-openjdk/security/java.security
+COPY --from=BUILD /java.security /etc/java-21-openjdk/security/java.security
 
 ENTRYPOINT ["/usr/bin/java", "-Djavax.net.ssl.trustStore=/etc/ssl/certs/java/cacerts", "-Djavax.net.ssl.trustStorePassword=changeit", "-Djavax.net.ssl.trustStoreType=jks", "-Dkeystore.pkcs12.legacy"]
 CMD ["-jar", "/opt/vault-crd.jar"]

pom.xml

@@ -21,7 +21,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>17</java.version>
+		<java.version>21</java.version>
 		<fabric8.version>6.8.1</fabric8.version>
 	</properties>
 
@@ -105,7 +105,7 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.10.1</version>
 				<configuration>
-                    <release>17</release>
+                    <release>21</release>
 					<fork>true</fork>
 					<compilerArgument>-XDignore.symbol.file</compilerArgument>
 				</configuration>