text: const appConfig = {
    port: process.env.PORT || 3000
  };
  
  const dbConfig = {
    mongoUrl: process.env.MONGO_URL || 'mongodb://localhost:27017/notes-app-local'
  };
  
  const logConfig = {
    level: process.env.LOG_LEVEL || 'debug'
  };
  
  module.exports = {
    appConfig,
    dbConfig,
    logConfig
  }
  