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lambda

AWS

AWS Lambda: Trap or Treasure for API Backends?

Is it a good idea to use AWS Lambda as the compute behind an API? Or do the vast array of Lambda-based API examples lay a scaling trap for developers?
AWS

How to Create a Scheduled Lambda in AWS CDK

This tutorial shows you how to run a lambda on a schedule. While scheduled lambdas are powerful, they are best used in executing repeated tasks.
AWS

Create a New AWS Lambda in CDK Using Pre-Existing CloudFormation Resources

On a recent project, we needed to add a new AWS Lambda that would touch an already existing relational database service (RDS) instance. Here's our solution.
DevOps & System Admin.

Updating AWS Lambda Function Code when Local Files Change

How to use "make" to update AWS Lambda layer and AWS Lambda function configuration and code whenever local files change.
DevOps & System Admin.

Creating Custom CloudWatch Alarms for AWS Lambdas

Setting up alarms based on AWS Lambda events isn’t straightforward. CloudWatch logs can create alarms to notify you when unexpected behavior occurs.
DevOps & System Admin.

Managing AWS Route 53 Hosted Zones with AWS Lambda

I wrote an AWS Lamda function to automatically update DNS records in a Route 53 hosted zone whenever EC2 instances are launched.
DevOps & System Admin.

Managing AWS CloudFront Security Group with AWS Lambda

There's no pre-built security group to allow inbound traffic from CloudFront, so I made an AWS Lambda function to periodically update our security group.

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