diff --git a/Dockerfile b/Dockerfile
index 226267c3..1e871cb5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,3 +9,5 @@ RUN rm -f /opt/jetty/lib/mail/javax.mail.glassfish-*.jar
 
 ADD docs.xml /opt/jetty/webapps/docs.xml
 ADD docs-web/target/docs-web-*.war /opt/jetty/webapps/docs.war
+
+ENV JAVA_OPTIONS -Xmx1g
\ No newline at end of file