doc: http://supervisord.org/configuration.html

supervisord.conf

[supervisord]
nodaemon=true

[inet_http_server]
port = 127.0.0.1:9001
username = user
password = 123

[program:sshd]
command=/usr/sbin/sshd -D

[program:nginx]
command=/usr/sbin/nginx -g "daemon off;"
priority=900
stdout_logfile= /dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0
username=www-data
autorestart=true