diff --git a/lambda-layer/README.md b/lambda-layer/README.md index b82c9f47..5dc9c91d 100644 --- a/lambda-layer/README.md +++ b/lambda-layer/README.md @@ -1,5 +1,7 @@ # AWS Distro Lambda Layer for NodeJS +This folder provides support for **Application Signals** in AWS Lambda environments. You can explore this repository to learn how to build a Lambda layer for AWS Node.js Runtimes from scratch in your AWS account. Alternatively, you can directly visit the AWS documentation, [Enable Application Signals on Lambda functions](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Signals-Enable-Lambda.html), and use the AWS-managed Lambda layers we provide. + By default, the layer enables aws-sdk and aws-lambda instrumentation libraries only for better Lambda cold start performance. You can use the environment variable `OTEL_NODE_ENABLED_INSTRUMENTATIONS` to enable only certain