Ignas Sakalauskas

SnsTestReceiver – Introduction

I would like to introduce a new helper tool I’ve developed for integration tests – SnsTestReceiver. This my new little pet helps to test SNS allowing the assertion of the notifications published in an easy and scalable way.

3 ways to invoke AWS Lambda synchronously

AWS Lambda is well known for the amazing scalability and extremely easy integrations with the AWS cloud native event producers, i.e. SQS, SNS, CloudWatch just to mention a few. However, there is another interesting aspect of it — invoking AWS Lambda synchronously, for example running a RESTful API.

Docker image vulnerabilities in .NET Core

AWS ECR recently rolled out a new feature called Scan on push which makes it very easy to scan for docker image vulnerabilities once your images are pushed to an ECR repository. The results of those using .NET Core docker images might be very surprising, or not?! :)

Proto.Actor based API with OpenTracing monitoring

Actor model has been around for quite some time, and modern implementations like Akka and Orleans made the model even more popular. I wanted to try out the actor model for the first time and for the exercise have chosen a light-weight and little bit less known implementation — Proto.Actor. In this blog post I will go through a naive RESTful API based on Proto.Actor and will leverage it’s Jaeger OpenTracing plugin for monitoring.

Blockchain in .NET Core with Microsoft SQL

In recent years blockchain became another buzzword sharing the fame with BitCoin. Blockchain solves certain technical problems, and could be implemented quite easily. In this blog post I will dive deeper into what blockchain is and how it works by going through a little technical exercise I’ve created.

Waiting LocalStack S3 to start

In my previous blog post about LocalStack S3 setup I’ve included a hardcoded delay of 5 seconds before actually calling AWS SDK. This gives enough time when waiting LocalStack to start and be ready to accept incoming requests. However, what is actually enough?