chore: lambda optimization

Author: jstrunk

.projenrc.ts

@@ -6,6 +6,7 @@ import {
   Language,
   Library,
   ModelLanguage,
+  NodeVersion,
   TypeSafeApiProject,
 } from "@aws/pdk/type-safe-api";
 import { javascript } from "projen";
@@ -79,6 +80,7 @@ const descriptiongenerator = new TypeSafeApiProject({
           "@aws-lambda-powertools/logger@^2.1.0",
           "fast-xml-parser@^4.3.6",
         ],
+        runtimeVersion: NodeVersion.NODE_20,
         prettier: true,
         license: "MIT-0",
         copyrightOwner: "Amazon.com Inc. or its affiliates",

README.md

@@ -18,15 +18,15 @@ The following table provides a sample cost breakdown for deploying this solution
 | **AWS Service**                       | **Dimensions**                                                                                                                                                      | **Cost [USD]** |
 |:--------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|
 | Amazon Bedrock                        | 60 requests per hour with an average of five 1 megapixel images as context(6,000 input tokens and 200 output tokens). **Anthropic Claude 3 Haiku**                  | 75.60          |
-| AWS Lambda                            | 60 requests per hour through 1 Lambda function with 512 MB of memory allocated and arm64 CPU and an average run time of 15 seconds = 43,200 requests per month      | 4.39           |
+| AWS Lambda                            | 60 requests per hour through 1 Lambda function with 128 MB of memory allocated and arm64 CPU and an average run time of 5 seconds = 43,200 requests per month       | 0.37           |
 | Amazon Simple Storage Service         | 5 product images added every minute with an average size of 1 MB with expiration after 3 days = 21.6 GB per month in S3 Standard Storage and static website hosting | 1.76           |
 | AWS API Gateway                       | 60 requests per hour                                                                                                                                                | 0.15           |
 | Amazon CloudWatch                     | 15 metrics using 5 GB data ingested for logs                                                                                                                        | 7.02           |
 | AWS X-Ray                             | 100,000 requests per month through API Gateway and Lambda calls                                                                                                     | 0.50           |
 | Amazon Cognito                        | 10 demo users                                                                                                                                                       | 0.00           |
 | AWS Web Application Firewall          | 43,200 requests per month using the AWS Managed Rule Group                                                                                                          | 6.03           |
 | Amazon CloudFront                     | Demo UI hosting. The first 10 million requests/month and 1,024 GB/month are free                                                                                    | 0.00           |
-| **Total monthly infrastructure cost** |                                                                                                                                                                     | **95.38**      |
+| **Total monthly infrastructure cost** |                                                                                                                                                                     | **91.36**      |
 
 The prototype allows you to select which model to use. The following table shows an estimated cost for each model assuming the dimensions in the above table. Anthropic Claude 3 Haiku is the default and is listed above.
 

packages/infra/main/src/constructs/apis/comawsgenproductdescriptiondescriptiongenerator.ts

@@ -73,7 +73,7 @@ export class ComawsgenproductdescriptionDescriptionGenerator extends Construct {
         environment: {
           IMAGE_BUCKET: props.imageBucket.bucketName,
         },
-        memorySize: 512,
+        memorySize: 128,
         architecture: lambda.Architecture.ARM_64,
       },
     );