Get config from AWS SSM parameters. Import this file in your lambda and access parameters like config.SOME_PARAM

config.py

import boto3


def _get_secrets(path: str):
  client = boto3.client('ssm')
  secrets = {}
  kwargs = {}
  while True:
    result = client.get_parameters_by_path(
      Path=path,
      WithDecryption=True,
      **kwargs)
    for param in result['Parameters']:
      secrets[param['Name']] = param['Value']
    try:
      kwargs['NextToken'] = result['NextToken']
    except KeyError:
      break
  return secrets


_secrets = _get_secrets('/some/path')
for key in _secrets:
  vars()[key] = _secrets[key]