upgrade to vertx 4.4.6 and jdk-21 lts for the container image

Dockerfile

@@ -1,4 +1,4 @@
-FROM maven:3.9.4-eclipse-temurin-17 as maven
+FROM maven:3.9.5-eclipse-temurin-21 as maven
 
 WORKDIR /src
 
@@ -9,18 +9,18 @@ RUN /opt/java/openjdk/bin/jlink \
   --no-man-pages \
   --add-modules java.base,java.naming,java.management,java.logging,java.sql,java.xml,java.compiler,jdk.naming.dns,jdk.unsupported \
   --compress 2 \
-  --output /opt/java/openjdk-17-slim
+  --output /opt/java/openjdk-21-slim
 
-FROM debian:bullseye-slim
+FROM ubuntu:jammy
 
-ENV JAVA_HOME /usr/local/openjdk-17
+ENV JAVA_HOME /usr/local/openjdk-21
 ENV PATH $JAVA_HOME/bin:$PATH
 ENV LANG C.UTF-8
 
 WORKDIR /opt
 
 COPY --from=maven --chown=nobody:nogroup /src/src/docker/* /src/target/nassh-relay-app.jar /opt/
-COPY --from=maven /opt/java/openjdk-17-slim /usr/local/openjdk-17
+COPY --from=maven /opt/java/openjdk-21-slim /usr/local/openjdk-21
 
 USER nobody
 

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>net.zyclonite.nassh</groupId>
     <artifactId>nassh-relay</artifactId>
-    <version>1.1.31</version>
+    <version>1.1.32</version>
 
     <organization>
         <name>zyclonite networx</name>
@@ -19,8 +19,8 @@
     </developers>
 
     <properties>
-        <vertx.version>4.4.5</vertx.version>
-        <log4j2.version>2.20.0</log4j2.version>
+        <vertx.version>4.4.6</vertx.version>
+        <log4j2.version>2.21.1</log4j2.version>
         <vertx.main>${project.groupId}.MainVerticle</vertx.main>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>