Update Dockerfile

Author: rjeberhard

Dockerfile

@@ -2,7 +2,7 @@
 #   Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 # First layer: dependencies for the project, cached in the /root/.m2 directory
-FROM maven:3.6-jdk-11 as m2repo
+FROM maven:3.8.6-eclipse-temurin-17 as m2repo
 ARG MAVEN_OPTS
 
 WORKDIR /project/
@@ -13,7 +13,7 @@ COPY wls-exporter-sidecar/pom.xml wls-exporter-sidecar/
 RUN mvn -B -e -C org.apache.maven.plugins:maven-dependency-plugin:3.1.2:go-offline -Ddocker-build
 
 # Now build the project on top of that first layer
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.8.6-eclipse-temurin-17 as build
 ARG MAVEN_OPTS
 
 WORKDIR /project/
@@ -26,7 +26,7 @@ RUN mvn -B -e -C install -Ddocker-build -DskipTests=true
 
 FROM ghcr.io/oracle/oraclelinux:8-slim AS jre-build
 
-ENV JAVA_URL="https://download.java.net/java/GA/jdk18.0.1.1/65ae32619e2f40f3a9af3af1851d6e19/2/GPL/openjdk-18.0.1.1_linux-x64_bin.tar.gz"
+ENV JAVA_URL="https://download.java.net/java/GA/jdk18.0.2/f6ad4b4450fd4d298113270ec84f30ee/9/GPL/openjdk-18.0.2_linux-x64_bin.tar.gz"
 
 RUN set -eux; \
     microdnf -y install gzip tar; \