text: const mongoose = require('mongoose');
  const Schema = mongoose.Schema;
  
  /**
   * Log model
   */
  
  module.exports = new Schema({
      level: {
          type: String,
          index: true
      },
      message: {
          type: String,
      },
      meta: {
          type: Object,
      },
      timestamp: {
          type: Date
      }
  });
  