Here's an example init script for use in a tpkg. See the packaging documentation for more details about incorporating an init script into a package.
#!/bin/sh case "$1" in 'start') # Start nginx /opt/tpkg/sbin/nginx -c /opt/tpkg/myapp/config/nginx.conf ;; 'stop') # Stop nginx if [ -f /opt/tpkg/var/run/nginx.pid ] then kill `cat /opt/tpkg/var/run/nginx.pid` rm -f /opt/tpkg/var/run/nginx.pid fi ;; 'restart') $0 stop $0 start ;; 'reload') # Tell nginx to reload its configuration if [ -f /opt/tpkg/var/run/nginx.pid ] then kill -HUP `cat /opt/tpkg/var/run/nginx.pid` fi ;; 'status') if [ -f /opt/tpkg/var/run/nginx.pid ] then pid=`cat /opt/tpkg/var/run/nginx.pid` if ps -e | grep $pid > /dev/null 2>&1 then echo "nginx (pid $pid) is running..." exit 0 else echo "nginx dead but pid file exists" exit 1 fi else echo "nginx is stopped" exit 3 fi ;; *) echo "Usage: $0 { start | stop | restart }" exit 1 ;; esac exit 0