编写 Systemd Unit 服务文件

Question

简单示例：

[Unit]
Description=a node.js micro framework.
After=dbus.service
After=polkit.service

[Service]
Type=notify
ExecStart=/usr/bin/node /home/vagrant/koapp/index.js

[Install]
WantedBy=multi-user.target
Alias=koa.service

具体参数配置参考： https://wiki.archlinux.org/index.php/Systemd_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)

PHP-fpm 示例：

[Unit]
Description=The PHP 7.2 FastCGI Process Manager
Documentation=man:php-fpm7.2(8)
After=network.target

[Service]
Type=notify
PIDFile=/run/php/php7.2-fpm.pid
ExecStart=/usr/sbin/php-fpm7.2 --nodaemonize --fpm-config /etc/php/7.2/fpm/php-fpm.conf
ExecReload=/bin/kill -USR2 $MAINPID

[Install]
WantedBy=multi-user.target

Gunicorn 示例：

[Unit]
Description=a flask application run on gunicorn.
After=network.target

[Service]
PIDFile=/run/gunicorn/pid
WorkingDirectory=/home/vagrant/pyapp
ExecStart=/home/vagrant/miniconda/bin/gunicorn -w 4 -b 0.0.0.0:8080 application:app
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s TERM $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target