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Express Web Application Development

You're reading from   Express Web Application Development Here's a comprehensive guide to making the most of Express's flexibility in building web applications. With lots of screenshots and examples, it's the perfect step-by-step manual for those with an intermediate knowledge of JavaScript.

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Product type Paperback
Published in Jun 2013
Publisher Packt
ISBN-13 9781849696548
Length 236 pages
Edition 1st Edition
Languages
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Author (1):
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Hage Yaaapa Hage Yaaapa
Author Profile Icon Hage Yaaapa
Hage Yaaapa
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Toc

What the is production environment?


The system on which we develop our app is the development environment or platform—the system could be your personal laptop or desktop. Apart from development, we may use such a system for browsing, sending e-mails, image editing, playing games, listening to music, watching movies, and so on. We would not host our app on such a system, would we?

When we are ready to share our app with the world, the recommended and common practice is to use a dedicated system for hosting it, which may or may not be shared by other apps.

So how does Express know it is in the production environment?

Express looks up the NODE_ENV environment variable to determine the environment it is in. If the environment variable is not defined, it assumes it as a development environment.

Note

For more information about NODE_ENV and the various modes of Express, refer to the Express in different environments section in Chapter 2, Your First Express App.

What changes in production mode?

When Express...

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