How do I configure dotenv in my Express application?
An example of an AI chatbot conversation about configuring dotenv in an Express app.
How do I configure dotenv in my Express application?
To configure dotenv in your Express app, first install the dotenv package using npm: npm install dotenv. Then, create a .env file in your project root and add your environment variables there.
What should I include in the .env file?
In the .env file, you can include key-value pairs for your environment variables, like PORT=3000 or DB_URL=mongodb://localhost:27017/mydb.
How do I access these variables in my code?
You can access the variables in your code by requiring dotenv at the top of your main file (e.g., app.js): require('dotenv').config();. Then, use process.env.VARIABLE_NAME to access them.
Is there anything else I should be aware of?
Make sure to add your .env file to .gitignore to prevent it from being pushed to version control, as it may contain sensitive information.
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