Passwordless user auth example for Node JS

This is some example/boilerplate code for creating an API with passwordless auth using JWTs, similar to how Notion.so works.

Create a free MongoDB Atlas Cluster: https://www.mongodb.com/cloud

1. Create a database user
2. Whitelist the IP 0.0.0.0
3. Copy the connection string (see env vars)

Features/user stories:

• Register a new account
• Request a login code
• Login with a login code
• Sign out of all sessions (revokes JWTs)
• verifyToken for making sure a user is logged in

Environment variables to set:

Create a file called .env and type in something like this:

DB_CONNECTION_STRING=mongodb+srv://Username:[email protected]/test?retryWrites=true&w=majority
TOKEN_SECRET=8cc2fea5d87129b6404ed866ab2a5c2a

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