Running Golang program as systemd service in Ubuntu

Test your binary file

Assum that you have golang binary file my-api-service located in folder /home/dev/my-app

So you can test your file if it can run as normal:

$ cd /home/dev/my-app
$ chmod +x my-api-service
$ ./my-api-service

If it running success, go to next step

Create system service file

Create a file /etc/systemd/system/my_api_service.service as root user with below content:

[Unit]
Description=My API Service
ConditionPathExists=/home/dev/my-app
After=network.target

[Service]
Type=simple
User=dev
Group=dev

WorkingDirectory=/home/dev/my-app
Environment="YOUR_ENV_1=YOUR_ENV_1_VALUE"
Environment="YOUR_ENV_2=YOUR_ENV_2_VALUE"
ExecStart=/home/dev/my-app/my-api-service
Restart=on-failure
RestartSec=10

StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=my-api-service

[Install]
WantedBy=multi-user.target

You can export more environment variables by adding row Environment="..."

Config rsyslog

Create folder for log:

mkdir /var/log/my_api_service
chown syslog:syslog /var/log/my_api_service

Create config file at /etc/rsyslog.d/my_api_service.conf and paste below content:

if $programname == 'my-api-service' then
  /var/log/my_api_service/output.log
& stop

Restart syslog:

$ systemctl restart rsyslog.service

Active service

Running command as root:

$ systemctl daemon-reload
$ service my_api_service start
$ service my_api_service status

If you want to auto start your service after reboot:

$ systemctl enable my_api_service
$ systemctl start my_api_service

Tail the log file:

$ sudo tail -n 10 /var/log/my_api_service/output.log

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