backend/src/config/config.ts

export const configuration = () => {
  return {
    // db config
    'db.host': process.env.DB_HOST,
    'db.port': process.env.DB_PORT,
    'db.user_name': process.env.DB_USER,
    'db.password': process.env.DB_PASSWORD,
    'db.name': process.env.DB_NAME,
    'db.slow_limit': Number(process.env.DB_SLOW_LIMIT) || 500, // ms
  };
};