This is the boilerplate code for the URL Shortener Microservice project. Instructions for building your project can be found at https://www.freecodecamp.org/learn/back-end-development-and-apis/back-end-development-and-apis-projects/url-shortener-microservice.
https://replit.com/@memorandum876/urlShorterexpress
The first argument is the singular name of the collection your model is for. Mongoose automatically looks for the plural version of your model name. For example, if you use
const MyModel = mongoose.model('Ticket', mySchema);
Then MyModel will use the tickets collection, not the ticket collection. For more details read the model docs.