Docker Compose：链接外部容器的几种方式

https://notes.doublemine.me/2017-06-12-Docker-Compose-%E9%93%BE%E6%8E%A5%E5%A4%96%E9%83%A8%E5%AE%B9%E5%99%A8%E7%9A%84%E5%87%A0%E7%A7%8D%E6%96%B9%E5%BC%8F.html
很棒的文章！