env file which we can access later on in our application. We Have now stored environment variables (in the form of key value pairs )inside the. Įnvironment Variables are used in Hiding and Protecting API Keys and Passwords.Įnvironment Variables are used in setting the PORT of Node applications.Įnvironment Variables are used in configuring Database Settings.Įnvironment Variables in Node are accessed using the process object, which is a Global object that is injected during runtime which represents a node process, one of the major property is the env propety ,an env property provides access to all existing environment variables in a Node.js applicationĮnter fullscreen mode Exit fullscreen mode Įnvironment Variables can be used in the configuration of Node.js Applications, We can store sensitive information such as passwords and Credentials as environment variables in Node.js. for instance the Database configuration settings of an Application in Development would be different from the settings in Production, and this configuration settings can be stored as environment variables.Įnvironment Variables Helps in the protection and security of configuration settings for example API Keys and Passwords should not be hardcoded in an application in production instead it should added as an environment Variable. Įnvironment Variables are useful when separating Programming and configuration settings of an application ,which makes it easier in Deploying an application to different environments. As A Developer when building applications you should never store and write sensitive information such as API Keys ,HOSTS, Database Credentials, Database id and Passwords in Your Code which would be pushed to public, with the help of environment variables such sensitive information can be hidden and be protected to avoid any security breach. env file within a Node.js Application.Įnvironment Variables helps in the configuration of applications in different environment in which an application is running on, be it a Production, Development or a Testing environment.Įnvironment Variables are Variables set by the operating system which helps to create the environment that a computer program runs on, one of the commonly used environment variable is the PATH Environment Variable. How To Access environment variables stored in a. Working With Environment Variables in Node.js Getting started with Environment Variables in Node.js Importance and Use cases of environment variables Introduction to Environment Variables / What are Environment Variables. Environment Variables are very useful and helpful in the configuration of applications, in This Article We are going to discussing about Environment Variables and How to work with Environment Variables in Node.js Applications.
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