updated compose file for memory optimization

docker-compose.yml

@@ -5,6 +5,8 @@ services:
     # build: .
     image: lissy93/dashy
     container_name: Dashy
+    mem_limit: 1536m
+    memswap_limit: 1536m
     # Pass in your config file below, by specifying the path on your host machine
     volumes:
       - ./public/conf.yml:/app/user-data/conf.yml