How do I set environment variables in Node.js?
An example of an AI chatbot conversation about setting environment variables in Node.js.
How do I set environment variables in Node.js?
You can set environment variables in Node.js using the process.env object. You can define them in your terminal or in a .env file.
Can you show me an example of using a .env file?
Sure! First, install the dotenv package. Then, create a .env file with your variables, like DB_HOST=localhost. In your code, require it using require('dotenv').config();.
What if I want to set them directly in the terminal?
You can set them directly in the terminal like this: DB_HOST=localhost node yourscript.js. This will make DB_HOST available in your script.
Are there any best practices for managing environment variables?
Yes, keep sensitive information out of your codebase, use a .env file for local development, and ensure it's included in your .gitignore.
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