In this tutorial we are going to build a blog powered by Node.js on the back end, Bootstrap on the front end, and MongoDB as the data store. We are going to start from scratch and build out the project one step at a time. We’ll see how to include all the packages we’ll need into Node for building the blog. Some of these include Express, Bcrypt, nodemon, express-edge, mongoose, body-parser, express-fileupload, and express-session.…
In this tutorial we’ll take a look at creating a simple application to track stocks in a watchlist or portfolio. In order to store this data, we’ll be using MongoDB – a popular NoSQL storage solution that is often used with Node.js. We’ll see how to create the directory structure to hold this stock watchlist application, and then install MongoDB Native using npm to save it as a dependency to the package.json…
Let’s now protect some endpoints by making use of JSON Web Tokens. What are JWTs? JSON web tokens are base64url encoded JSON Objects which are encrypted by the use of a private key. Embedded within the JWT can be one or more sets of name and value pairs. You might have things like a user id or user name embedded within the token. You can not see this data thanks to the encryption in place, but it can be deciphered on the server since the private key is available to the application.…
At the conclusion of our last tutorial which looks at working with Models in Mongoose, we now have a REST api which allows us to create new users and authenticate users. In a prior tutorial we also built out a restful resource for Games. In other words, we were able to create, read, update, and delete Games using the Node powered api. Now, we’ll once again go over the process of how routes files and model files work together in an express app.…
In programming the Information expert, or the expert principle, is an approach used to determine where to delegate responsibilities. In other words, where should you place the code that completes specific tasks. The Information expert principle will help a developer to place the responsibility in the class with the most information required to fulfill it. In this tutorial we are going to clean up the process of generating JSON Web Tokens to make our code more clear and easier to maintain.…
So we are going to start building the most basic of User Registration systems in Node.js using MongoDB as the data store, Express as the routing system, Joi as the validator, and of course Mongoose to make interacting with Mongo from Node easy. Below we have our sample project layout. User-Registration is the top level directory which holds the index.js file, and then we have a models directory and a routes directory.…
NoSQL databases like MongoDB work differently than the older and more established Relational Databases like MySQL, Oracle, Microsoft SQL, and so on. Relationships in the traditional sense don’t really exist in MongoDB like they do in MySQL. In this tutorial we’ll take a look at how you can work with related data, even though it is not explicitly enforced by MongoDB. We’ll have a look at Reference Based Relationships (Normalization) as well as Embedded Documents Relationships (Denormalization).…
Just like all other frameworks, Mongoose provides a way to validate data before you save that data to a database. Data validation is important to make sure that “bad” data does not get persisted in your application. A benefit of using Mongoose when inserting data into MongoDB is its built-in support for data schemas, and the automatic validation of data when it is persisted. You would not get this without Mongoose.…