supervisord.conf

[supervisord]
nodaemon=true

# [program:main]
# command=python main.py
# stdout_logfile=/dev/stdout
# stdout_logfile_maxbytes=0
# stderr_logfile=/dev/stderr
# stderr_logfile_maxbytes=0
# autostart=true
# autorestart=true

[program:app]
command=python app.py
stdout_logfile=/dev/null
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0
autostart=true
autorestart=true