In a Node.js application according to the the standard and widely accepted convention how is the data stored in a .env file?

Question

In a  Node.js  application according to the the standard and widely accepted convention how is the data stored in a  .env  file?

Accepted Answer

In key-value pairs, following the format KEY=VALUE. 
 Example:

API_KEY=abcd1234 
 
    DB_HOST=localhost 
 
    PORT=3000

Answer

In JavaScript arrays, using square brackets. 
 Example:

[
    "abcd1234",
    "localhost",
    3000
    ]

Answer

In plain text format, separated by commas. 
 Example:   
 abcd1234, localhost, 3000

Answer

In JSON format, enclosed in curly braces. 
 Example:

{ 
 
  "API_KEY": "abcd1234", 
 
  "DB_HOST": "localhost", 
 
  "PORT": 3000 
 
}

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