Integration tests are challenging in a standard application. They’re even more challenging in a decoupled, asynchronous environment. If you’re running them in a pipeline, you have to figure out all of the resource ARNs and make sure you have permission to access each of them. Also, what happens if your…

I’ve spent the last few weeks researching how to connect event busses in two different AWS accounts using the CDK. …

One of the CDK’s greatest strengths is the ability to create a library of components to be shared across your company, or shared with the world on constructs.dev. But how do you create a construct based on other constructs in the same stack without forcing the developer to call a…

Did you know there’s a simple way to create mock responses for AWS AppSync queries? To accomplish this you just need to create the query, a special data source, and a resolver. Define the Query To keep things simple, we’re going to be prototyping the following graphql query. Create the Data Source We’ll be using a…

Have you ever tried to move resources from one AWS region to another? It can be quite painful. You have to figure out how all of the resources connect together, then plan out what order you need to recreate them. Fortunately, AWS has a simpler way of doing that. It’s…

When I was nine I discovered QBASIC on my parents’ DOS computer. I got addicted immediately but, in the nineties, we didn’t have stack overflow where I could just copy-paste example code. What I did have were a few books that I found at a thrift store with example programs…

How to handle the transition to new queries — How do you handle the awkward transition phase when you’re replacing a query in the backend, but the frontend hasn’t been updated to use the new query? The answer is @deprecated! Well, the answer isn’t deprecated itself 🤦. You can annotate the old query with @deprecated and the schema documentation…