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 boost net purposes and community courses at the server part. It permits internet designers to entry the backend in their tasks whereas additionally permitting builders, who're keen to profit JavaScript, an opportunity to layout. there are various frameworks that experience popped up in recent times, yet what makes Node.js specified is that it opens up an entire new frontier for internet improvement and takes a hybrid approach.

This ebook can help you familiarize yourself with Node.js and enforce the data to construct effective internet functions. you begin with constructing a backend net software by way of a frontend interface, and in a while install it to the cloud platform. This e-book takes a holistic method of server-side programming utilizing Node.js at the side of diverse frameworks and instruments.

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IsAuthenticated, which means that any request can run a Boolean check on it. user object for the template. The partial function will search for the path that is passed to it beginning at the views directory. The following is a screenshot of what our site should look like now: The following screenshot highlights our other partial that uses the logged in user's username and changes the link to Logout: The final part of our app that we will add is flash messages. Flash messaging is when we have something to tell the user from one request to the next.

Html page that we made. Python can help us out here. We will use Python later to build our deploy scripts, so hopefully we have it installed. I am using Mac OS X, which comes with Python already installed. This allows me to run a simple Python command to run an HTTP server in whichever directory I am in: $ python -m SimpleHTTPServer You don't have to write any code; just load a module, and it will run right in the console. By default, the server listens on port 8000. If you want to change this, just add the port number as the last parameter, as shown in the following command line: $ python -m SimpleHTTPServer 8080 Python is a great glue language.

I also feel that I don't need a parser to build my HTML. I want to write HTML and then add my variables where I need them. These are just a few reasons why we will continue using EJS. If you like to use Jade, a major part of the application configuration will be the same. You will just have to build your own templates. On a side note, I will reiterate that we don't want to install Express globally. You will see answers on Stack Overflow asking if the questioner has installed it locally or globally.

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