Building Scalable Apps with Redis and Node.js by Joshua Johanan

By Joshua Johanan

Node.js is a JavaScript runtime-based, scalable platform used to improve internet functions and community courses at the server facet. It permits internet designers to entry the backend in their initiatives whereas additionally permitting builders, who're prepared to profit JavaScript, an opportunity to layout. there are numerous frameworks that experience popped up lately, yet what makes Node.js exact is that it opens up an entire new frontier for internet improvement and takes a hybrid approach.

This e-book may also help you become familiar with Node.js and enforce the data to construct effective internet purposes. you begin with constructing a backend internet software via a frontend interface, and afterward set up it to the cloud platform. This publication takes a holistic method of server-side programming utilizing Node.js along with diverse frameworks and instruments.

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We need to track down all the references to login and logout. js, present in the middleware folder, is the requireAuthentication function. login. js present in the routes folder; it is the loginProcess function. We will need to redirect back to login on an auth failure. password, req. login); } }; The last two files that we will update are the partials. login %>">Login Here is where our middleware is valuable. Every template will have a route's object straight from the config. We are only using it for login and logout, but a site-wide URL should be here so that you can easily update it.

We need to track down all the references to login and logout. js, present in the middleware folder, is the requireAuthentication function. login. js present in the routes folder; it is the loginProcess function. We will need to redirect back to login on an auth failure. password, req. login); } }; The last two files that we will update are the partials. login %>">Login Here is where our middleware is valuable. Every template will have a route's object straight from the config. We are only using it for login and logout, but a site-wide URL should be here so that you can easily update it.

We need to create our HTML page for the client to use. js. IO This is a pretty empty page; in fact, there is nothing in it. We are just using it to load our JavaScript. js file in head so we can get access to the io variable. IO server. We have the server listening on port 4000, so we tell the client to connect to it. IO is nothing like HTTP, but the connection does use HTTP to start. The initial HTTP request is upgraded to a WebSocket connection. Now that the socket has been created, we can start listening for events.

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