secrets and keys https://github.com/binxio/cfn-secret-provider • Using the AWS Serverless Application Model (AWS SAM) https://docs.aws.amazon.com/lambda/latest/dg/serverless_app.html • AWS Lambda のメトリクスおよびディメンション https://docs.aws.amazon.com/ja_jp/AmazonCloudWatch/latest/monitoring/lam- metricscollected.html