FROM nginx:1.13.6-alpine
LABEL maintainer="lilywang <lilywang.cd@gmail.com>"

ARG TZ="Asia/Shanghai"

ENV TZ ${TZ}

RUN apk upgrade --update  && apk add bash tzdata  && ln -sf /usr/share/zoneinfo/${TZ} /etc/localtime  && echo ${TZ} > /etc/timezone  && rm -rf /var/cache/apk/*

COPY dist /usr/share/nginx/html 

CMD ["nginx", "-g", "daemon off;"]

.
|____Dockerfile
|____dist // 为项目打包后的文件
| |____index.html

cd web

docker build -t lilywang711/web .

user nginx;
worker_processes 2;
error_log /var/log/nginx/error.log warn;
pid  /var/run/nginx.pid;
events {
 use epoll;
 worker_connections 2048;
}
http {
 include /etc/nginx/mime.types;
 # include /etc/nginx/conf.d/*.conf;
 root /usr/share/nginx/html;
 index index.html index.htm;
 server {
  listen 80;
  server_name a.yourdomain.cn;
  location / {
  }
 }
 server {
  listen 80;
  server_name b.yourdomain.cn;
  location / {
   proxy_pass http://your_vps_ip:81;
  }
 }
 server {
  listen 80;
  server_name localhost;
  location / {
  }
 }
}

docker run -itd --name web -p 80:80 -v /root/nginx/nginx.conf:/etc/nginx/nginx.conf lilywang711/web
// -i 交互模式运行容器, -t 为容器分配一个伪终端，-d 后台运行容器，可直接连写 -itd
// --name 是给该容器起个叫web的名字，方便辨识
// -p 是绑定端口 本机端口80:容器端口80
// -v 声明volume，意思是将容器中的/etc/nginx/nginx.conf 挂载到 宿主机里的/root/nginx/nginx.conf，以后配置nginx只需要修改/root/nginx/nginx.conf就行了