diff --git a/medicine-stack/docker-compose.yml b/medicine-stack/docker-compose.yml
index 6b2a480..582c58e 100644
--- a/medicine-stack/docker-compose.yml
+++ b/medicine-stack/docker-compose.yml
@@ -19,6 +19,8 @@ services:
   postgres:
     container_name: medicine-stack-postgres
     image: postgres:12.2
+    shm_size: 1gb
+    command: postgres -c shared_buffers=512MB -c work_mem=8MB
     restart: "always"
     networks:
       - medicine-network
diff --git a/system_info.sh b/system_info.sh
new file mode 100644
index 0000000..2b86bbd
--- /dev/null
+++ b/system_info.sh
@@ -0,0 +1,3 @@
+
+lsb_release -d -s
+df -h /dev/sda1 | sed 1d | awk '{print $4}'