lambdashell.com was registered on July 26th, 2018 and hosts a website made by Caleb Sima, who has been Chief Security Officer at stock-trading app Robinhood since February 2021. The website has one page that asks the question “Is serverless insecure?” alongside the following challenge: This is a simple AWS lambda…

This is the first post in a two part series. The second part presents an alternate solution which is generally better, but has some trade-offs. I recommend reading both. Another Way to Trigger a Lambda Function Every 5–10 Seconds This follow up to my recent post presents another solution which uses Step Functions instead of Lambda & SQS. It has…zaccharles.medium.com Last week, Chase Douglas sent out a serverless bat signal asking if anyone knows of a way to trigger a Lambda…

This is the kind of topic that makes me think “why would we want to do that?” and “is there something else we can do instead?”. …

This is a follow up to my recent post titled How to Trigger a Lambda Function Every 5–10 Seconds. I recommend you read that too, but it’s not required. How to Trigger a Lambda Function Every 5–10 Seconds This post presents a solution involving EventBridge, two Lambda functions and an SQS queue. It’s surprisingly accurate…zaccharles.medium.com As is often the case in software, this problem has more than one possible solution. One awesome thing about serverless is…

An API was recently being designed at work that would enable restaurant owners to request changes to their logo and other images. The idea is that restaurants use a website to upload a new image and trigger a review process. …

The day we’ve been waiting for came yesterday when support for .NET Core 3.1 on AWS Lambda was announced. If you recall, AWS’ policy is to only support LTS versions of .NET Core, so it was only a matter of time. Almost four months since 3.1 was announced, actually. To…

.NET Core 3.0 has been out of preview for about a month now. In that time, I’ve had several people ask me to follow up on my previous benchmarks and provide new recommendations. It’s taken some time, but the results are in! Just like .NET Core 2.2, AWS Lambda won’t…

Step Functions is one of my favourite AWS services. I enjoy experimenting with it, especially when new features are released. In my opinion, two of the most important changes since launch have been the additional Service Integrations and Task Tokens. Prior to the new Service Integrations, if you wanted to…

I think it’s fair to say that everyone who uses Lambda is aware of CloudWatch. It’s well known that a call to your language’s version of console.log, print, or Console.WriteLine will result in text appearing in CloudWatch logs. This is usually where a lot of people’s understanding ends, though. Don’t…