Book Image

Express Web Application Development

By : Hage Yaaapa
Book Image

Express Web Application Development

By: Hage Yaaapa

Overview of this book

Express is a minimal and flexible node.js web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications. It provides a thin layer of features fundamental to any web application, without obscuring features that developers know and love in node.js. "Express Web Application Development" is a comprehensive guide for those looking to learn how to use the Express web framework for web application development. Starting with the initial setup of the Express web framework, "Express Web Application Development" helps you to understand the fundamentals of the framework. By the end of "Express Web Application Development", you will have acquired enough knowledge and skills to create production-ready Express apps. All of this is made possible by the incremental introduction of more advanced topics, starting from the very essentials. On the way to mastering Express for application development, we teach you the more advanced topics such as routes, views, middleware, forms, sessions, cookies and various other aspects of configuring an Express application. Jade; the recommended HTML template engine, and Stylus; the CSS pre-processor for Express, are covered in detail. Last, but definitely not least, Express Web Application Development also covers practices and setups that are required to make Express apps production-ready.
Table of Contents (15 chapters)
Express Web Application Development
About the Author
About the Reviewers

Logging requests to the App

Express comes with a built-in logging module called logger, it can be a very useful tool while you are developing the app. You enable it like any other Express module:


Without any options, the logger middleware will log a detailed log. You can customize the details with the following tokens in the format option of the logger middleware:




The specific HTTP header of the request


The specific HTTP header of the response


The HTTP version


How long it took to generate the response


The user agent's IP address


Date and time of request


The HTTP method used for making the request


The requested URL


The URL that referred the current URL


The user-agent signature


The HTTP status

And this is how you specify the log format using the tokens:

app.use(express.logger({ format: ':remote...