Tomas Tulka's Blog

Random thoughts about programming and other stuff.


Serverless

WebAssembly Serverless Computing from Scratch

Humble proof of concept of a serverless computing platform in Node.js based on the idea of nanoprocesses.

Domain-Driven Serverless Design

One reason I really like the serverless architecture approach is being pretty selfish: one has to care only about what matters - the code.

Challenges for Serverless Blue-Green Deployment

Serverless blue-green deployment is a nice practice. However, it doesn't come without challenges.

Serverless Blue-Green Deployment

Blue-Green Deployment is a very good technique that has been successfully used for managing releases of cloud applications. Now it's time to rethink it a bit for serverless systems.

Function Separation in a Microservice

Talking about serverless microservices, functions are the basic building blocks of the service functionality. How to design them from the code and deployment perspektive?

Testing Serverless Systems

Testing serverless systems is hard. In this article, we will discuss some practices which work well for my project.

Secure Communication between Services in Multitenant Systems

Implementing a SaaS as a multitenant system brings a lot of benefits. As usual, there are some tradeoffs, too. For example security becomes more complex. Let's take a look at possible approaches when implementing security in a multitenant architectrure.