diff --git a/Dockerfile b/Dockerfile
index 788d1789..940c2ac4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,4 +25,6 @@ RUN npm install
 
 USER app
 
+ENV JAVA_OPTS="-Xms384m -Xmx384m"
+
 CMD ["/usr/src/app/bin/duplication"]