diff --git a/docker/prod/docker-compose.yml b/docker/prod/docker-compose.yml
index 615423a54..f66a59861 100644
--- a/docker/prod/docker-compose.yml
+++ b/docker/prod/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '3.3'
+version: '2.2'
 
 services:
   postgres:
@@ -32,6 +32,7 @@ services:
     volumes:
       - ./volumes/pictshare:/usr/share/nginx/html/data
     restart: always
+    mem_limit: 100m
 
   iframely:
     image: dogbin/iframely:latest
@@ -40,3 +41,4 @@ services:
     volumes:
       - ./iframely.config.local.js:/iframely/config.local.js:ro
     restart: always
+    mem_limit: 100m