Using AWS SAM with layers - AWS Lambda

Using AWS SAM with layers

You can use the AWS Serverless Application Model (AWS SAM) to automate the creation of layers in your application. The AWS::Serverless::LayerVersion resource type creates a layer version that you can reference from your Lambda function configuration.

AWSTemplateFormatVersion: '2010-09-09' Transform: 'AWS::Serverless-2016-10-31' Description: AWS SAM Template for Lambda Function with Lambda Layer Resources: MyLambdaLayer: Type: AWS::Serverless::LayerVersion Properties: LayerName: my-lambda-layer Description: My Lambda Layer ContentUri: s3://my-bucket/ CompatibleRuntimes: - python3.9 - python3.10 - python3.11 MyLambdaFunction: Type: AWS::Serverless::Function Properties: FunctionName: MyLambdaFunction Runtime: python3.9 Handler: app.handler CodeUri: s3://my-bucket/my-function Layers: - !Ref MyLambdaLayer