Update minimum heap size

Update minimum heap size to 256m for clamp

Issue-ID: CLAMP-153
Change-Id: I740e84e8578dcbca967d8d89cf336cb871e9bd37
Signed-off-by: Determe, Sebastien (sd378r) <sd378r@intl.att.com>
diff --git a/src/main/docker/extra-files/startService.sh b/src/main/docker/extra-files/startService.sh
index edc0f02..3b73354 100644
--- a/src/main/docker/extra-files/startService.sh
+++ b/src/main/docker/extra-files/startService.sh
@@ -23,5 +23,5 @@
 # 
 ###
 
-java -Djava.security.egd=file:/dev/./urandom -Xms1024m -Xmx1024m -jar ./app.jar
+java -Djava.security.egd=file:/dev/./urandom -Xms256m -Xmx1g -jar ./app.jar