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Creating Verifiable JSON Web Tokens (JWTs) with AWS CDK

Mar 6, 202113 min read

JSON Web Tokens (JWTs, pronounced "jots") are pretty neat. You can use JWTs to share information in a way that you can verify it wasn't altered. Let's say the Martz family has a grocery list in JSON format (because that's normal... RIGHT?!?). Whitn...

Using AWS Amplify to Rapid Prototype a Real-Time Dungeons&Dragons Map

Feb 28, 202119 min read

TL;DR - Amplify-DND The Code Dungeons and What? What I Made How I Made It Setting up CD and a Custom Domain Tips, Tricks and Troubleshooting What's next Hey, I'm Matt. I'm an AWS Community Builder and a 24/7 geek. Over the last few years my fr...

Automatically Keep Postman Collections In Sync With OpenAPI Specs

Feb 8, 20218 min read

This post will show you how to take an OpenAPI Spec file and automatically generate a Postman Collection of API tests with minimal configuration. This is especially helpful for a CI/CD pipeline that runs automated API tests after a deployment. My pr...

Lock Down DynamoDB with IAM Policy Conditions

Jan 19, 20219 min read

At work we've begun exploring the use of IAM policy conditions to limit access to items in our DynamoDB Tables. This gives a much more specific level of control on who can retrieve what data. Before a lambda executes, a separate process generates a...

Moving S3-Triggered Lambdas to EventBridge with CDK

Dec 22, 20204 min read

Lately I've been encountering some issues with a particular architecture for propagating data changes between multiple AWS accounts. The current architecture relies on having DynamoDB Stream-invoked lambdas writing files into a "legacy" AWS account ...

Hashnode's 2Articles1Week Challenge

Nov 8, 20201 min read

Hashnode has a thing where they have occasional challenges to earn "badges" on their site. The first challenge I participated in was their 2Articles1Week Challenge... which is a bit of a misnomer. Really it's a minimum of FOUR articles in TWO weeks....