It’s been two years since I last wrote about Lambda layer and when you should use it. Most of the problem I discussed in that original post still stands: It makes it harder to test your functions locally. You will still need those dependencies to execute your function code locally as part of your tests. … Lambda layer: not a package manager, but a deployment optimization Read More » Liked this article? Support me on Patreon and get direct help from me via a private Slack channel or 1-2-1 mentoring. [...]

An interesting question came up in a conversation today: “How should I manage the Route53 DNS records in a multi-account environment?” Suppose you have configured an AWS Organization with different accounts for dev, staging and production environments. And you have registered the root domain for your application in the master AWS account. When working with … How to manage Route53 hosted zones in a multi-account environment Read More » Liked this article? Support me on Patreon and get direct help from me[...]

While the physicists investigate the nature of the mysterious portal that has recently appeared in North London, several human beings recently came through the portal, which appears to be a gate into an alternative universe. As we understood from the last two people coming through the portal, it seems to be a linked with a universe that is in many ways like ours, reached about the same level of social and technological development, but differs in numerous curious details. The paths through which people in [...]

In the last post I discussed my preferred approach for modelling multi-tenant applications with AppSync and Cognito. This approach supports the common requirements in these applications, where there are a number of distinct roles within each tenant. This approach (and others like it) works great when the tenants are isolated. But what if they are … Building a custom IAM system has made me appreciate AWS IAM even more Read More » Liked this article? Support me on Patreon and get direct help from me via a[...]

One thing Dr. Hermans mentioned in her book is retrieval practice. I have heard this term in other pedagogical literature. It basically means trying to remember some piece of information without reference to a memory aid.