serverless.yml

service: serverless-lambda-layer-otel-example
frameworkVersion: '3'

provider:
  name: aws
  runtime: nodejs18.x
  region: us-east-2 # region must match for your Lambda Layer ARN below
  tracing: # x-ray is required
    lambda: true

functions:
  api:
    handler: index.handler
    timeout: 10
    layers:
      # how to get the managed lambda arn? https://aws-otel.github.io/docs/getting-started/lambda/lambda-js
      - arn:aws:lambda:us-east-2:901920570463:layer:aws-otel-nodejs-amd64-ver-1-12-0:1
    environment:
      # let otel Lambda Layer where the config file is located at
      OPENTELEMETRY_COLLECTOR_CONFIG_FILE: "/var/task/collector.yaml"
      AWS_LAMBDA_EXEC_WRAPPER: "/opt/otel-handler"
      OTEL_SERVICE_NAME: "serverless-lambda-layer-otel-example"
      OTEL_RESOURCE_ATTRIBUTES: "deployment.environment=staging"

      # optional otel collector Lambda Layer config:
      # OTEL_LOG_LEVEL: "DEBUG"

    events:
      - httpApi:
          path: /
          method: get