If you directly deploy this app from above link, it will throw error. So you need to provide environment variables in Netlify App and re-build it. Go to Site settings > Build & deploy > Environment and add the following Environment variables:
To make the script for CronJob to work, you need to add three variables in the Secrets settings in your repository. Go to Settings > Secrets and add the following variables:
Feel free to read this article where I explained the steps to create this application โ๏ธ.
MIT ๐.