Docker如何同时启动多个服务

FROM centos:centos6

MAINTAINER Fanbin Kong "kongxx@hotmail.com"

RUN rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
RUN yum install -y openssh-server sudo mysql-server mysql supervisor
RUN sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config 
 
RUN useradd admin
RUN echo "admin:admin" | chpasswd
RUN echo "admin ALL=(ALL)  ALL"  /etc/sudoers
 
RUN ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
RUN mkdir /var/run/sshd

RUN /etc/init.d/mysqld start && mysql -e "grant all privileges on *.* to 'root'@'%' identified by 'letmein';"&& mysql -e "grant all privileges on *.* to 'root'@'localhost' identified by 'letmein';"&& mysql -u root -pletmein -e "show databases;"

RUN mkdir -p /var/log/supervisor
COPY supervisord.conf /etc/supervisord.conf

EXPOSE 22 3306
CMD ["/usr/bin/supervisord"]

[supervisord]
nodaemon=true
[program:sshd]
command=/usr/sbin/sshd -D
[program:mysqld]
command=/usr/bin/mysqld_safe