supervisord.conf

[supervisord]
nodaemon=true

[program:supercronic]
user=www-data
command=supercronic /crontab.txt
autostart=true
autorestart=unexpected
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0

[program:fpm]
command=/usr/local/sbin/php-fpm
autostart=true
autorestart=unexpected
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0