From ff41182a1ead16f2bf0733a058aea5b68bbf1115 Mon Sep 17 00:00:00 2001
From: Frank Delporte <fdelporte@azul.com>
Date: Sat, 16 Nov 2024 16:31:00 +0100
Subject: [PATCH] Specify Maven version

---
 pi4j-builder-base/Dockerfile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pi4j-builder-base/Dockerfile b/pi4j-builder-base/Dockerfile
index 5ccf2b6..e618c91 100644
--- a/pi4j-builder-base/Dockerfile
+++ b/pi4j-builder-base/Dockerfile
@@ -34,6 +34,7 @@ RUN apt-get install --yes openjdk-21-jdk-headless
 ENV JAVA_HOME="/usr/lib/jvm/java-21-openjdk-$TARGETARCH/"
 
 # install Apache Maven
+RUN apt list -a maven
 RUN apt-get install --yes maven=3.9.0
 
 # configure Maven with custom settings for defined M2 repository path
@@ -43,6 +44,10 @@ RUN mkdir -p /m2/repository && chmod -R a+rw /m2 && chmod -R g+s /m2
 # clean APT cache
 RUN apt-get clean
 
+# validate installed versions
+RUN java -version
+RUN mvn -v
+
 # configure build time environment variables
 ENV BUILD_FOLDER=/build
 ENV PI4J_BUILDER="$BUILDVERSION"