The Blog
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How I built a Multiplayer App in 3 days
I thought it was time to create a follow up of my previous post Get your idea deployed to prod already. In the post I detail how you can quickly bootstrap an app and get it deployed and ready in no-time. This is a loose retelling of how I followed my...
A great place to quit
Ok the title might be alarming but hear me out. There are a plethora of different awards for “Swedens best employer” or best/good/great place to work etc. You could argue that they are a bit watered down because of the amount of them. Or at least har...
Shared CloudFront Distribution Cache Policy with SST
If you're sitting in a growing team and working with SST it's highly likely that you're working with personal staging environments. You might even use PR-deployments to test your sites before merging (smart of you). You might also have run into the p...
Testing Individual StepFunction States
AWS StepFunctions is a fantastic service for orchestrating complex workflows. But testing StepFunctions has always been... tricky. You could execute the entire state machine, observing side effects and final outcomes, but this approach often feels li...
Daddy, look what I made
I thought I’d mix it up a bit and add another flavour to the otherwise technical content that is presented here. This blog post will focus on my experiences and thoughts surrounding the first year at Elva, from the excitement of starting a company to...
Building an IoT-powered Fridge
Imagine the scenario: guests are about to arrive, and you realize your fridge is running low on beer. Your BoA (Beverage on Arrival) SLA is in danger, and panic sets in, but fear not! In this blog post, we'll walk you through a solution we've devised...
Get your idea deployed to prod already
You know that nifty idea you've been thinking about? The website that would revolutionize how you rule a small country/go grocery shopping? Whatever your idea is you can't share it with anyone because it's still in your head. It's time to do somethin...
Unlocking Scalability: Harnessing the Power of SQS and Lambda Integration
AWS Simple Queue Service (SQS) provides a reliable and scalable messaging solution, while AWS Lambda offers serverless computing capabilities. Combining these two services can enable robust and event-driven architectures. In this blog post, we will e...
Using AppConfig Feature Flags with Organization Units
AWS AppConfig is a tool under AWS Systems Manager which handles, you guessed it, configurations of your applications. One of the major features are Feature Flags which enables you to toggle a feature wherever you need to within your solutions. It's a...
💸 How to save thousands of dollars on AWS WAF
AWS WAF, the managed Web Application Firewall, is a commonly used service to secure APIs, load balancers, and applications. But because of how the pricing model is set up for WAF, the costs can quickly spiral out of control when adhering to the AWS b...
Why technical change readiness is key to digital transformation
Organizations have practiced a buy-rather-than-build IT strategy for decades. Buying commercial-of-the-shelf (COTS) software has been good practice for a long time and is therefore dominating the application landscape in many organizations. These mon...
⚡️Serverless Frameworks for 2023
In this post, we'll look at some of the most popular frameworks for building serverless applications on AWS, including their features, strengths, and weaknesses. We'll also look at examples of how each framework can be used to build an example applic...
Rust in AWS Lambda
In today's WOD, we'll learn how to deploy a Rust-lambda in AWS using CDK. We'll start relatively easy today. However, we'll explore more advanced setups using rust and different AWS services in the coming months. A reference project can be found her...
Managing AWS at scale; multi-account strategy
This blog post will talk about some of the reasons behind having an account strategy, the challenges, and some thoughts and suggestions on how you can implement this successfully. Image source Background When starting with AWS, a single account for y...
Introduction to Event-Driven Architecture
Many organizations are choosing to build more event-driven application architectures. This enables a subscriber or target services to automatically perform work in response to events triggered by publishers or source services. This event-driven patte...
Separate stateful infrastructure with Serverless Compose
One of the most significant benefits of serverless is that the development teams can fully own and manage all of their infrastructure themself. Keeping all of that infrastructure in the same CloudFormation stack can sometimes be troublesome however, ...