========================
/etc/supervisor/conf.d/supervisord.conf from app container:
[supervisord]
nodaemon=true
user=root
logfile=/var/log/supervisor/supervisord.log
pidfile=/var/run/supervisord.pid
[program:php]
command=/usr/bin/php -d variables_order=EGPCS /var/www/html/artisan serve --host=0.0.0.0 --port=80
user=sail
environment=LARAVEL_SAIL="1"
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0
============================
# ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.3 32232 25920 ? Ss 17:06 0:05 /usr/bin/python3 /usr/bin/supervisord -c /etc/supervisor/conf.d/supervisord.conf
sail 16 0.0 0.7 144920 62316 ? S 17:06 0:10 /usr/bin/php -d variables_order=EGPCS /var/www/html/artisan serve --host=0.0.0.0 --port=80
sail 19 0.0 0.8 254936 67120 ? S 17:06 0:02 /usr/bin/php8.1 -S 0.0.0.0:80 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Console/../resources/server.php
root 20 0.0 0.0 2308 832 pts/0 Ss 20:45 0:00 /bin/sh
root 30 0.0 0.0 6408 1648 pts/0 R+ 20:46 0:00 ps aux