#下载docker-compose文件
curl -L https://github.com/docker/compose/releases/download/1.21.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

#将文件复制到/usr/local/bin环境变量下面
mv docker-compose /usr/local/bin

#给他一个执行权限
chmod +x /usr/local/bin/docker-compose

#查看是否安装成功
docker-compose -version

# 卸载docker-compose
rm  /usr/local/bin/docker-compose

docker-compose.yml

version: '3'
services:
  nginx:
    image: nginx
    ports:
      - 80:80
    links:
      - app
    volumes:
      - ./nginx/conf.d:/etc/nginx/conf.d
  app:
    image: app
    expose:
      - "8085"

docker-compose up -d