-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
ARG USER="mta"
ARG USER_HOME_DIR="/home/${USER}"
# smoke test
&& java -version
-ARG MAVEN_VERSION=3.9.2
+ARG MAVEN_VERSION=3.9.3
ARG BASE_URL=https://downloads.apache.org/maven/maven-3/${MAVEN_VERSION}/binaries
ENV MAVEN_HOME /usr/share/maven