Serverless Chat on AWS with AppSync Events

January 20, 2025 - 7 mins read

This article shows how to build a cloud-native, serverless chat on AWS using AppSync Events. It covers the architecture, implementation with CDK, and addresses some of the missing features and limitations AppSync Events currently has.

Building a Cloud Native Serverless Chat On AWS

December 23, 2024 - 8 mins read

This article explores how to build a cloud-native, serverless chat application on AWS using IoT Core. It covers the architecture, implementation with CDK, and the potential for future migration to AppSync Events.

Power Chat Messages Search with DynamoDB & Amazon OpenSearch

January 25, 2024 - 8 mins read

Learn how to effectively implement full-text search using Amazon DynamoDB and Amazon OpenSearch in a real-world serverless group chat backend system.

Single Sign-On with Azure AD and Amazon Cognito using OIDC and AWS Amplify

May 17, 2023 - 6 mins read

This post will quickly show how to do it according to best practices using the amplify-js library, while also providing CloudFormation templates for the User Pool and accompanying resources.

How AWS and Serverless Revived Our MVP Development Journey

April 23, 2023 - 6 mins read

In this blog post, I will share how adopting AWS and Serverless helped us successfully develop and deploy a functioning MVP on a limited time and budget.

Deploying a Spring Boot API to AWS with Serverless and Lambda SnapStart

January 31, 2023 - 11 mins read

Cold starts are not that big of an issue when running NodeJS Lambdas, but with Java the numbers are unacceptable if you are building synchronous, user-facing APIs. This post will cover how to create an API with a Spring Boot app wrapped into a Mono-Lambda utilizing AWS Lambda SnapStart.

AWS Lambda Cold Starts: The Case of a NestJS Mono-Lambda API

July 8, 2022 - 5 mins read

This article explores the famous “cold start” issue with Lambda functions, particularly in this case of a so called mono-lambda or fat lambda.

Deploy a NestJS API to AWS Lambda with Serverless Framework

April 20, 2022 - 10 mins read

Have you ever wondered how easy it can be to deploy and host an API? Scalable, stable, a piece of cake to deploy and costs almost nothing. The goal of this article is to demonstrate just that.