Nick Dalalelis
Experienced Cloud Engineer - Big Data and Distributed Systems
Build an AI driven App with OpenAI, LangChain4j, and Spring Boot with React
As I began my journey to learn about AI and Large Language Models (LLMs), I stumbled across the Java library LangChain4j. I dug in and…
Event Driven Architecture With Azure Container Apps
In this blog, we will build an event driven architecture using Azure Blob Storage, Event Grid, and Container App Job. The code shown in…
AWS Lambda, Step Functions, DynamoDB, and CDK!
Ever wonder how to invoke the execution of an AWS Step Function from a Lambda? This is exactly what I implemented on a recent project. I’m…
Delta Lake - ACID Transactions
I’m very excited to write this blog post on how Delta Lake brings ACID transactions to Apache Spark. Apache Spark is a data processing…
Programming Infrastructure with the Amazon CDK
In this blog post we will explore how the AWS CDK can be used to deploy a VPC, security groups and EC2 instances. In Part 1, we created a…
Amazon Virtual Private Cloud (Amazon VPC) Fundamentals (Part 2)
In Part 1, we created a VPC with a public and private subnet. In this blog post, we will configure routing and security. Routing is how…
Amazon Virtual Private Cloud (Amazon VPC) Fundamentals (Part 1)
Most resources that you provision in AWS require an Amazon Virtual Private Cloud (Amazon VPC). A VPC is your very own virtual network in the…
