Updated docker global conf

On host/Docker.md

@@ -42,7 +42,13 @@ sudo vim /etc/docker/daemon.json
 
 ```bash
 { 
-   "data-root": "/mnt/data/dockerdata"
+  "hosts": ["unix:///var/run/docker.sock", "tcp://127.0.0.1:2375"],
+  "data-root": "/mnt/data/dockerdata",
+  "log-driver": "local",
+  "log-opts": {
+    "max-size": "10m",
+    "max-file": "3"
+  }
 }
 ```