Ubuntu 16.04 server custom service

Question

There is a way for create custom service in ubuntu 16.04? I want something autostart at startup, manageable with service mycustomservice start

And the service should start a php websocket: (php ratchet)

php -f socket.php

Answer 1

try with supervisor enter link description here

[program:ratchet]
command                 = bash -c "ulimit -n 10000; exec /usr/bin/php ./bin/tutorial-terminal-chat.php"
process_name            = Ratchet
numprocs                = 1
autostart               = true
autorestart             = true
user                    = root
stdout_logfile          = ./logs/info.log
stdout_logfile_maxbytes = 1MB
stderr_logfile          = ./logs/error.log
stderr_logfile_maxbytes = 1MB