Course Overview: JSON Web Token (JWT) Authentication with Node.js

Setup a Web Server in Node.js using Express

Set the Server Port in Express Using Environment Variables

Add a POST Route To Express And Parse the Body

Provide Users With A JSON Web Token

Allow CORS in Node.js and Express

Authenticate Users With JWT for Access to Protected Resources

Connect a Front-End to a Secure API using JWTs

Authenticate Users in a Single Page Application with Auth0

JSON Web Token (JWT) Authentication with Node.js and Auth0

In this lesson we learn how to use environment variables to set the port of an express.

Instructor: [00:00] We'll change the port that this server is using. We'll use process.env for environment, and we'll create a new variable called port. If the port environment variable is not defined, we'll still use 8888 as a default.

[00:15] If you run this server, we see that the server is running on port 8888. If we do a next port and we set the port into our operating system to say 3000 and we run this server again, we can see that the server is now running on port 3000.

[00:34] If we open our browser, we go to localhost:8888, it can't be reached. If we go to 3000, we're getting a 404 in this case. If we go to 3000/status, we are getting the server time.

[00:48] That's how you set the port inside an environment variable.

Course

JSON Web Token (JWT) Authentication with Node.js and Auth0

Set the Server Port in Express Using Environment Variables

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