AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31

Resources:
  RedisServerlessIdempotency:
    Type: AWS::ElastiCache::ServerlessCache
    Properties:
      Engine: redis
      ServerlessCacheName: redis-cache
      SecurityGroupIds: # (1)!
        - security-{your_sg_id}
      SubnetIds:
        - subnet-{your_subnet_id_1}
        - subnet-{your_subnet_id_2}

  HelloWorldFunction:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python3.12
      Handler: app.py
      VpcConfig: # (1)!
        SecurityGroupIds:
          - security-{your_sg_id}
        SubnetIds:
          - subnet-{your_subnet_id_1}
          - subnet-{your_subnet_id_2}
      Environment:
        Variables:
          POWERTOOLS_SERVICE_NAME: sample
          REDIS_HOST: !GetAtt RedisServerlessIdempotency.Endpoint.Address
          REDIS_PORT: !GetAtt RedisServerlessIdempotency.Endpoint.Port