diff --git a/start.sh b/start.sh
index 7436e59..f297953 100755
--- a/start.sh
+++ b/start.sh
@@ -1,6 +1,7 @@
 docker pull kartoza/postgis:9.6-2.4
 mkdir -p pg_data
 docker run -d \
+-m 2g \
 -e POSTGRES_USER=gisuser \
 -e POSTGRES_PASS=password \
 -e POSTGRES_DBNAME=gisdb \