Enviroment configuration for NodeJS - "Twelve-Factor App" | https://12factor.net/config

config.js

const enviroment = {};                                                                                                                                                                          
Object.assign(enviroment, process.env);

for (let [key, value] of Object.entries(enviroment)) {
  switch (value) {
    case "true":
      enviroment[key] = true;
      break;
    case "false":
      enviroment[key] = false;
      break;
    default:
      if (Number(value))
        enviroment[key] = Number(value);
  }
}

module.exports = enviroment;