From: BjornMagnussonXA <bjorn.magnusson@est.tech>
Date: Mon, 20 Mar 2023 17:10:36 +0000 (+0100)
Subject: Minimized Dmaap adapter Java 17 image
X-Git-Tag: 1.3.0~1
X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=commitdiff_plain;h=239919f1d989705b7f798c7477997ba5e1a8b659;p=nonrtric%2Fplt%2Fdmaapadapter.git

Minimized Dmaap adapter Java 17 image

Issue-ID: NONRTRIC-845
Signed-off-by: BjornMagnussonXA <bjorn.magnusson@est.tech>
Change-Id: I8b45eb746863ae3ee4200c998fbd74c1f9b628c3
---

diff --git a/Dockerfile b/Dockerfile
index 9af0345..fb2abe9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # ============LICENSE_START=======================================================
 # O-RAN-SC
 # ================================================================================
-# Copyright (C) 2021 Nordix Foundation. All rights reserved.
+# Copyright (C) 2021-2023 Nordix Foundation. All rights reserved.
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,7 +20,25 @@
 # ============LICENSE_END=========================================================
 
 
-FROM openjdk:17-jdk-slim
+FROM openjdk:17-jdk as jre-build
+
+RUN $JAVA_HOME/bin/jlink \
+--verbose \
+--add-modules ALL-MODULE-PATH \
+--strip-debug \
+--no-man-pages \
+--no-header-files \
+--compress=2 \
+--output /customjre
+
+# Use debian base image (same as openjdk uses)
+FROM debian:11-slim
+
+ENV JAVA_HOME=/jre
+ENV PATH="${JAVA_HOME}/bin:${PATH}"
+
+#copy JRE from the base image
+COPY --from=jre-build /customjre $JAVA_HOME
 
 EXPOSE 8084 8435
 
@@ -48,4 +66,4 @@ RUN chown -R $user:$group /var/dmaap-adapter-service
 USER ${user}
 
 ADD target/${JAR} /opt/app/dmaap-adapter-service/dmaap-adapter.jar
-CMD ["java", "-jar", "/opt/app/dmaap-adapter-service/dmaap-adapter.jar"]
+CMD ["/jre/bin/java", "-jar", "/opt/app/dmaap-adapter-service/dmaap-adapter.jar"]