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    Dot_Env

    Dot ENV

    Init

    Good way to save all your keys and secrets for making sure that your specific keys won’t be committed to the public git repository.

    npm install dotenv --save

    Create file

    Create .env file and save all your key values in that file.

    DATABASE_ENDPOINT=east-2.rds.amazonaws.com
DATABASE_USERNAME=admin
DATABASE_PASSWORD=ry436gdg
DATABASE_PORT=666
DATABASE_NAME=database_name

    Utilize

    You can directly access the environment variables in your function or class in JS and TS.
    It automatically gets invoked with the node process.

    Access it via

    console.log(“Your environment key” , process.env.DATABASE_ENDPOINT)

    Manual Initialization

    If you get process.env as undefined value, you should do the following

    const dotEnv = require("dotenv");
// Initialize
dotEnv.config();

console.log(process.env.DATABASE_USERNAME);

    References

    Save in “.env” file
    Set the production username, password and other parameters which you don’t want to commit to git.

    SO Link

    SO

    https://github.com/bkeepers/dotenv