$ git clone https://github.com/shovon8/raspberry-pi-sense-hat-weather-app.git
$ cd raspberry-pi-sense-hat-weather-app/
$ sudo cp -v weather-station.service /etc/systemd/system/
$ sudo systemctl daemon-reload
$ sudo systemctl enable weather-station
$ sudo reboot
Then, access http://<ip-addr>:5000 from a web browser.