supervisord.conf

[supervisord]
nodaemon=true

[program:apache2]
command=/bin/bash -c "source /etc/apache2/envvars && exec /usr/sbin/apache2 -DFOREGROUND"
autorestart=true
autostart=true
killasgroup=true
stopasgroup=true

[program:cron]
command=cron -f -L 15
autostart=true
autorestart=true