Docker重启宿主机后，nginx指向502

[chensj923]

宿主机重启后，nginx指向就错误了，dockerlogs没有任何提示

[chensj923]

web_1容器报错：
2019-08-01T01:00:45.951055285Z AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.18.0.5. Set the 'ServerName' directive globally to suppress this message
2019-08-01T01:00:45.961996236Z httpd (pid 1) already running
但并没有启动任何httpd啊

[lxerxa]

参考 #57