Supervisor

因为Docker一个容器只支持运行一个后台进程, 所以在Docker内使用supervisor来启动多个程序/服务更方便,更易管理
详见:Using supervisor with docker to manage processes
nodaemon=true

supervisord.org
supervisord
supervisorctl
/etc/supervisor/supervisord.conf
/etc/supervisor/conf.d/*.conf