Create README.md

README.md

+# docker-smartdns
+
+[![Build Status](https://travis-ci.com/YOUSIKI/docker-smartdns.svg?branch=master)](https://travis-ci.com/YOUSIKI/docker-smartdns)
+
+This is a docker image for smartdns.
+
+## What's Smartdns
+
+[Github Repository](https://github.com/pymumu/smartdns)
+
+Smartdns is a local DNS server to obtain the fastest website IP for the best Internet experience.
+
+## Info
+
+- Travis-ci will build this image automatically everyday, and it will always try to download the latest version of smartdns.
+- Travis-ci will build on multi-arch and label the images with different tags. You can use `docker pull yousiki/v2ray:$(uname -i)` to pull the one you want.
+
+## Usage
+
+``` bash
+docker run --network=host -v $(pwd)/smartdns.conf:/etc/smartdns/smartdns.conf:ro yousiki/smartdns -f -x -c /etc/smartdns/smartdns.conf
+```
+
+## Supported Architectures
+
+- amd64
+- arm64