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Simple Webserver running in background

chmod +x startBackground.sh
  • Run the bash script to start the service in background.
bash startBackground.sh

Test by running following HTTP cURL requests:

curl -X GET "http://127.0.0.1:12345/api/v1/ping"

curl -X POST "http://127.0.0.1:12345/api/v1/datetime"

Simple Webserver running as daemon

  • Create a daemon service file in the /etc/systemd/system folder.

You can either create a file using editor like nano, and then write the contents there:

sudo nano /etc/systemd/system/simplewebserver.service

# Now write/copy the contents from simplewebserver.service file in the root of this repository.

OR, copy the file directly there:

sudo cp simplewebserver.service /etc/systemd/system/simplewebserver.service
  • Ensure that the webserver binary is built
go build -o SimpleWebserver
  • Ensure that the binary is executable
chmod +x SimpleWebserver
  • Start the daemon service
sudo systemctl start simplewebserver
  • Check the status of the daemon service
sudo systemctl status simplewebserver
  • Stop the daemon service
sudo systemctl stop simplewebserver
  • Restart the daemon service
sudo systemctl restart simplewebserver
  • Enable the daemon for Simple Webserver, so that it gets started on OS reboot
sudo systemctl enable simplewebserver
  • Disable the daemon service, so that it does not get started on reboot
sudo systemctl disable simplewebserver
  • In case of any errors, you can debug by checking the logs
sudo journalctl -u simplewebserver # OR, sudo journalctl --unit=simplewebserver

# Or, if you want to tail the log, then use
sudo journalctl -u simplewebserver -f
  • Whenever we manually edit the service file using nano/vim, etc, then we need to ensure the daemon is reload and service is restarted.
sudo systemctl daemon-reload

sudo systemctl restart simplewebserver
  • To edit the service file, without needing a daemon-reload:
sudo systemctl edit simplewebserver --full
  • Get a complete list of systemd service configuration parameters
man systemd.service

OR, visit: https://man7.org/linux/man-pages/man5/systemd.service.5.html