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All right, guys.

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So before we get started on our back end, I just want to kind of go over just an overall picture of

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how this is going to work, this full stack application workflow.

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So we've already started on our client, our front end, right?

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This part right here.

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So we have a folder called Front End.

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That's where React Lives.

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That's where we'll be using Redux for our application state.

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Anything that has to do with the user interface.

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All right.

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Now in the next video, we're going to start to create our back end, which is going to be our NodeJS

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and Express server.

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So that's where we're going to have routes that will do certain actions.

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So for instance, we'll have a route at slash API slash products and we'll be able to make different

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types of requests.

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So for instance, if we want to fetch our products, we can make a get request to API slash products.

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If we want to create a new product, we'd make a post request from our client and we'd have some data

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in the body, the product data, and we'd make a post request to API products.

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If we want to update or delete, we would make a put or a delete request and that would be to API products

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slash and then whatever ID of the product that we want to update.

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Okay.

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So it's going to work like that for products.

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It's going to work like that for orders for users and we'll even have a route to create product reviews.

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And then we're also going to have authentication.

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So with authentication, we're going to use Json web tokens, which I'll explain when we get to it.

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But instead of keeping that token on the client in local storage, we're going to keep it in what we

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call an Http only cookie on the server so that it can't be read by the client.

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It's just a more secure way to store it.

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In the first version of this course, we did store it in local storage.

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A lot of courses that you watch, a lot of tutorials online, they will store it in local storage and

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it can be fine in some cases, but it is safer to keep it on the server.

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All right.

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So that's what we'll be doing as far as authentication and we'll have some auth middleware that will

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then read that token from the Http only cookie and validate the user and then proceed to let the user

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do whatever it is they're allowed to do.

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All right.

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Now regular users are going to be able to obviously purchase, you know, make purchases, create orders

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and so on.

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And we're also going to have another role, I guess you could call it a role of admin, where admin

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users can pretty much do anything.

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They can create products, they can update delete products, they can set orders to to delivered, they

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can change statuses, they can delete users, all kinds of stuff.

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All right.

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So there's basically going to be two roles, just regular users that are shoppers and then admin users.

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Okay.

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Now, as far as data, we're going to be storing our data in MongoDB.

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Okay?

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We're going to be using MongoDB Atlas, which is the cloud version of MongoDB and to connect to MongoDB

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as well as make our queries, we're going to be using Mongoose, which is an object data mapper.

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So it gives us an easy way to fetch products and update products and orders and all that good stuff.

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All right.

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So that's kind of just a very high level overview of what we'll be doing.

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I just wanted to kind of get the get this picture in your head moving forward so you know what's going

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on.

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All right.

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So in the next video, we're going to start on our NodeJS and Express server.