Ubuntu安裝supervisor

    1.apt install python-setuptools
    2.easy_install supervisor
    3.echo_supervisord_conf > /etc/supervisord.conf
    4.修改配置 /etc/supervisord.conf
        [include]
        files = /etc/supervisord.conf.d/*.conf
    5.新建管理的應用
        cd /etc/supervisord.conf.d
        vim app.conf
        配置文件：
        [program:app]
        directory = /opt/app/app
        command = /opt/app/app/apppkg
        autostart = true
        startsecs = 5
        user = root
        redirect_stderr = true
        stdout_logfile = /var/log/supervisord/apppkg.log