News
[Databricks on AWS #4] The BOOTSTRAP_TIMEOUT Mystery: Tracing a Databricks Cluster from Data Plane to Control Plane (Transit Gateway + Firewall)
12+ hour, 3+ min ago (608+ words) " Series: Databricks on AWS (Part 4) The EC2 nodes were healthy " 3/3 status checks. The cluster still never started. Here's the 11-minute timeout that sent us tracing packets across three AWS accounts. Most "my Databricks cluster won't start" posts end with "open port…...
[Databricks on AWS #5] Fixing Databricks BOOTSTRAP_TIMEOUT with AWS Private Link: Control Plane Over the Backbone, Zero New Subnets
12+ hour, 1+ min ago (833+ words) " Series: Databricks on AWS (Part 5) In Part 4 we traced a BOOTSTRAP_TIMEOUT all the way to a centralized egress firewall that silently dropped our new workspace CIDR. Here's the clean fix " take the control-plane traffic off the internet entirely, without touching the…...
Serverless Computing Architecture: Patterns, Tradeoffs & Decision Guide
1+ day, 1+ hour ago (756+ words) Scaling Core Apps For Delivery Hero, Local Delivery & Q-Commerce Giant How Vinted Expanded its Global Marketplace with On-Demand Team Extension Building Data Foundations: The Key to Scalable Enterprise AI At 3 AM your monolith auto-scales to handle a flash sale, and…...
AWS Launches Lambda Micro VMs for Isolated Agent and User Code Execution
2+ day, 4+ hour ago (425+ words) AWS launched Lambda Micro VMs, a new serverless compute primitive that runs each user session or AI agent in its own Firecracker virtual machine with hardware-level isolation, snapshot-based rapid laun...
Serverless image pipeline with aws lambda+node+wasm: from 11. 5mb to 91. 2kb
2+ day, 11+ hour ago (23+ words) A while back I needed to process thousands of images for an e-commerce platform: multiple versions. .. Tagged with serverless, rust, lambda, typescript....
Building "Focus Flow" " A Serverless Productivity Suite with AWS Aurora and Vercel v0
2+ day, 15+ hour ago (225+ words) We all juggle daily tasks, shared groceries, personal debts, and monthly expenses. But managing them usually means jumping between five different apps. It's chaotic, and it's inefficient. For the #H0 Hackathon, I built Focus Flow " a unified productivity suite that brings…...
Modeling a Creator Saa S in a Single Dynamo DB Table
2+ day, 16+ hour ago (527+ words) Submitted to the AWS H0 Hackathon " Vercel v0 + AWS Databases track. #H0 Hackathon Truss is a B2 C Saa S for content creators. You upload a video or connect a live stream, and Truss uses Gemini to extract the highest-engagement moments, scores each for…...
Single-table Dynamo DB design for a real-time game (rooms, rounds, leaderboards)
2+ day, 17+ hour ago (365+ words) For the H0 Hackathon I built Kauwa Udd, a real-time multiplayer reaction game on Vercel + Amazon Dynamo DB. People hear "Dynamo DB" and reach for a table per entity " users table, rooms table, scores table. I put everything in one table....
How I Built a Civic Traffic App on Dynamo DB + Vercel " Chowk Chakra (#H0 Hackathon)
2+ day, 18+ hour ago (1003+ words) I built this project as my submission for the H0 Hackathon " Hack the Zero Stack with Vercel v0 and AWS Databases. This post covers how I designed and built Chowk Chakra using Amazon Dynamo DB and Vercel. #H0 Hackathon Pune has a traffic…...
Building Quudos: a casting platform on Amazon Aurora + Vercel
2+ day, 19+ hour ago (159+ words) I created this post for the purposes of entering the H0: Hack the Zero Stack with Vercel v0 and AWS Databases hackathon. #H0 Hackathon Casting is inherently relational, so I modeled it that way: Quudos existed before on hosted Postgres. During the submission…...