Change base image of helm-manager to alpine

The alpine image seems to be more stable and is slim as compared to debian image.
After this change, the docker image size has shrinked from 559MB to 472MB.

Change-Id: I66693c2b0c06b65f0d5e5e64f8fd417bbabc7f25
Issue-ID: NONRTRIC-573
Signed-off-by: RehanRaza <muhammad.rehan.raza@est.tech>

diff --git a/helm-manager/Dockerfile b/helm-manager/Dockerfile
index a70af54..c54b615 100644 (file)
--- a/helm-manager/Dockerfile
+++ b/helm-manager/Dockerfile
@@ -15,12 +15,12 @@
 #  ============LICENSE_END=================================================
 #
 
-FROM openjdk:11-jre-slim
+FROM adoptopenjdk/openjdk11:jre-11.0.11_9-alpine
 
 ARG JAR
 
 #Install wget
-RUN apt-get update && apt-get install -y wget
+RUN apk update && apk add wget
 
 #Install helm
 RUN wget -O helm.tar.gz https://get.helm.sh/helm-v3.6.1-linux-amd64.tar.gz