Nginx 启动需要配置前台运行
https://github.com/docker-library/docs/tree/master/nginx#complex-configuration
# ... 省略 ...
CMD ["nginx", "-g", "daemon off;"]
容器网络内域名无法解析
https://stackoverflow.com/a/37656784/7450306
要配置 resolver
http {
resolver 127.0.0.11 ipv6=off;
}