Ingesting CloudWatch logs cost money ($0.57 per GB log data ingested), so removing log lines that are not useful will save you money. In my C# API project the logs are filled with this Warning: [Warning] Amazon.Lambda.AspNetCoreServer.AbstractAspNetCoreFunction: Request does not contain domain name information but is derived from APIGatewayProxyFunction. This warning comes from the code found in Amazon.Lambda.
Like many websites and mobile apps, www.signbsl.com hosts its static media files using S3, which provides a reliable service without managing servers. The bucket currently holds more than 126,000 images and videos. On a self hosted solution to find missing files I would usually use the Apache Access Logs. But with S3 you need to use Server access logging to
Usually a API Gateway is placed in front of a Lambda to allow HTTP requests to be forwarded to a Lambda function. However even when using the HTTP API this still costs $1 per million invocations. To save costs I have setup the PHP website to call the Lambda function direct. Here is how to call the Lambda function and pass the request