[SPENCER | TONY] Sign Up - DB Connection

[lillian-tran]

Task Description:

When a user creates an account using the sign up form, we want the user to be created in our MongoDB database.
Make an API endpoint that takes in user data from the sign up form and creates the user. We don’t want to create duplicate users so if the email or username already exists in the database, display an error message to the console instead of creating a new user. For the isAdmin field, for now just hard-code it to be false. Don’t worry about authentication, we’ll be working on it in future sprints with Clerk!

References and Resources:

Express docs: https://expressjs.com/en/guide/routing.html
Mongoose docs: https://mongoosejs.com/docs/
MongoDB collection commands: https://www.mongodb.com/docs/manual/reference/method/js-collection/
Using Express with MongoDB and Mongoose: https://dev.to/franciscomendes10866/setup-mongodb-with-mongoose-and-express-4c58
Async/await: https://medium.com/@Abazhenov/using-async-await-in-express-with-node-8-b8af872c0016
(Optional but helpful for debugging): https://apidog.com/blog/how-to-use-postman-for-api-testing/

Acceptance Criteria:

• Did you link the ticket/issue number with your branch using the pull request template?
• When the sign up form is submitted, is there a new user in the database?
• If an existing user (email) tries to sign up, is there an error message?
• If a username already exists, is there an error message when someone tries to reuse it?