docs: add docs for docker deployment

Dockerfile

@@ -10,4 +10,6 @@ WORKDIR /
 
 COPY --from=builder /go/bin/spoof-dpi .
 
+EXPOSE 8080
+
 ENTRYPOINT ["./spoof-dpi"]

_docs/readme_zh-cn.md

@@ -50,13 +50,25 @@ $ go install github.com/xvzc/SpoofDPI/cmd/spoof-dpi@latest
 ```
 
 ## Git
-You can also build your own
+你可以从源码构建可执行文件
 ```bash
 $ git clone https://github.com/xvzc/SpoofDPI.git
 $ cd SpoofDPI
 $ go build ./cmd/...
 ```
 
+## Docker
+你可以从Dockerfile构建你的docker image
+```shell
+docker build ./ -t spoof-dpi:latest
+```
+使用`docker run -it -p 8080:8080 --name spoof-dpi spoof-dpi:latest`运行容器
+> 如果你希望在运行容器服务的时候传递参数(比如--enable-doh --timeout=2000), 你可以使用以下命令格式
+```shell
+docker run -it -p 8080:8080 spoof-dpi:latest --enable-doh
+```
+- 想要了解更多的参数, 请检查Usage部分内容
+
 # 使用方法
 
 ```

readme.md

@@ -54,6 +54,18 @@ $ cd SpoofDPI
 $ go build ./cmd/...
 ```
 
+## Docker
+You can use Dockerfile to build a docker image
+```shell
+docker build ./ -t spoof-dpi:latest
+```
+Use `docker run -it -p 8080:8080 --name spoof-dpi spoof-dpi:latest` to run container
+> If you want to passes options(like --enable-doh --timeout=2000) through the docker, you can run command like below
+```shell
+docker run -it -p 8080:8080 spoof-dpi:latest --enable-doh
+``` 
+- check the Usage for more options
+
 # Usage
 ```
 Usage: spoof-dpi [options...]