Update.

docker-compose.yml

@@ -1,4 +1,5 @@
-version: '2'
+version: "2"
+
 services:
   nginx:
     restart: always
@@ -12,6 +13,7 @@ services:
       - /etc/nginx/conf.d
       - /etc/letsencrypt:/etc/letsencrypt:ro
       - /var/docker/proxy/vhost.d:/etc/nginx/vhost.d:ro
+
   dockergen:
     restart: always
     depends_on: