Build a Docker image for doocs/leetcode | 为 doocs/leetcode 构建 Docker 镜像

[yanglbme]

我们计划为本项目构建一个 docker 镜像，使得用户可以在本地，通过一行命令，如 docker run -d -p 8080:80 doocs/leetcode:latest 启动网站。

如果你有兴趣，可以给项目提交 pr。

---

We plan to build a Docker image for this project, enabling users to start the website locally with a single command, such as docker run -d -p 8080:80 doocs/leetcode:latest.

If you are interested, you can submit a PR to the project.