Update README.md

docker/README.md

@@ -11,15 +11,21 @@ docker-compose -f seaweedfs-compose.yml -p seaweedfs up
 
 ```
 
-## Development
+## Try latest tip
 
 ```bash
-cd $GOPATH/src/github.com/chrislusf/seaweedfs/docker
 
-// use existing builds for git tip
+wget https://raw.githubusercontent.com/chrislusf/seaweedfs/master/docker/seaweedfs-dev-compose.yml
+
 docker-compose -f seaweedfs-dev-compose.yml -p seaweedfs up
 
-// use local repo
+```
+
+## Local Development
+
+```bash
+cd $GOPATH/src/github.com/chrislusf/seaweedfs/docker
+
 docker-compose -f local-dev-compose.yml -p seaweedfs up
 
 ```