Writing & Speaking
A collection of my technical articles published on Medium, DEV, and Bit.dev, alongside my YouTube tutorials and conference talks.
FromtheBlog
Thoughts on cloud-native development, architecture, and engineering practices — articles and videos
Scaling Like Amazon & Uber: PostgreSQL Replication Explained with a Hands-On Demo
Learn how large-scale systems like Amazon and Uber handle thousands of writes and millions of reads using PostgreSQL replication. Includes a complete Docker Compose setup with 1 primary and 2 replicas.
Message Distribution Architecture with GCP Pub/Sub: A Hands-On Node.js Demo
Build scalable message distribution systems using Google Cloud Pub/Sub. Complete guide with Node.js examples for implementing event-driven architectures.
Building a Serverless Content Moderation System with AWS
Complete workshop on building a serverless content moderation system using AWS Rekognition, Lambda, S3, API Gateway, SQS, and CloudWatch. Presented at Rootcode Cloud Community meetup.
AWS VPC Setup Tutorial in Sinhala - Cloud Architecture Basics
Step-by-step guide in Sinhala on building secure and scalable server architecture on AWS Cloud. Learn VPC setup, public/private subnets, Internet Gateway, NAT Gateway, route tables, and security best practices.
Videos
Tutorials, talks, and insights on cloud-native development