Socket.io Real-time Web Application Development

After this a package. The first thing we need to create is a server. In order to create that, we will be making use of a framework named Express. Express provides a robust set of features for web and mobile applications. Express provides a thin layer of fundamental web application features, without obscuring Node.

We will install Express.

Next we will create a server. In this file we need to require Express and create a reference to a variable from an instance of Express. Now we need to create an HTML file index.

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I have added bootstrap and JQuery cdn. In-order to tell Express that, we will be using a static file. We will add a new line inside server. We can run the server. We will download nodemon using the command. If you go to localhost: Now that our server is up and running, we need to create our database.

I am setting up my mongodb in mlab. Our database will contain a single collection called messages with fields name and message. In-order to connect this database to the app, we will use another package called Mongoose. Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment. Mongoose can be installed using the command.

And we will assign a variable, the URL of our mlab database:. Mongoose will connect to the mlab database with the connect method:. And we will be defining our message model as. Citations are based on reference standards. However, formatting rules can vary widely between applications and fields of interest or study. The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied.

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