docs: def restore(ctx, filename):
      """Restore the database from a zipped file.
      
      Default is to restore from db dump in loqusdb/resources/
      """
      filename = filename or background_path
      if not os.path.isfile(filename):
          LOG.warning("File {} does not exist. Please point to a valid file".format(filename))
          ctx.abort()
      
      call = ['mongorestore', '--gzip', '--db', 'loqusdb', '--archive={}'.format(filename)]
      
      LOG.info('Restoring database from %s', filename)
      start_time = datetime.now()
      try:
          completed = subprocess.run(call, check=True)
      except subprocess.CalledProcessError as err:
          LOG.warning(err)
          ctx.abort()
      
      LOG.info('Database restored succesfully')
      LOG.info('Time to restore database: {0}'.format(datetime.now()-start_time))