dongshao8125 2019-09-20 05:15
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Golang应用程序是否有类似PM2的流程管理解决方案? [关闭]

I used nodejs before, but I switched to go recently, I have no idea about managing the go process, is there anything like PM2 ?

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  • doucou1892 2019-09-20 06:09
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    Development Environment

    For development, you'd probably need process manager that also monitor the file changes and live-reload your server binary.

    I'm used to Godegansta's gin for such job for web server / api server development. There is also fresh, reflex and perhaps some others.


    Production Environment

    I'm using systemd to manage my Golang application process on Linux in production environment.

    Define the Unit

    This is my Unit File looks like this:

    [Unit]
    StopWhenUnneeded=true
    
    [Install]
    WantedBy=multi-user.target
    
    [Service]
    ExecStart=/usr/local/bin/<MY_GO_APP>
    WorkingDirectory=/home/user/<MY_GO_APP_HOME_DIR>
    User=<MY_GO_APP_USER>
    Restart=always
    RestartSec=5
    StandardOutput=syslog
    StandardError=syslog
    SyslogIdentifier=%n
    

    Create this file as /usr/lib/systemd/system/my_app.service (for Ubuntu), then run:

    systemctl start my_app.service
    

    would automatically start the service. As configured, systemd will always restart your process if it stopped.

    Usual Operations

    To have it always on when the machine starts:

    systemctl enable my_app.service
    

    If you change your unit file after the first start or enable, you need to run:

    systemctl daemon-reload
    

    To see the status of the process, run:

    systemctl status my_app.service
    

    To see the STDOUT of the process, run:

    journalctl -f -u my_app.service
    

    For further help, please read the manual page.

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