The Cloud Dive

The Cloud Dive

Sentinel

A Dev Kafka Broker for the Price of a Bad Coffee

Running a real Kafka broker for Sentinel's ingestion layer — without the managed service price tag

The Cloud Dive's avatar
The Cloud Dive
Mar 09, 2026
∙ Paid
An AI generated diagram of this deployment — laptop → fly proxy → Kafka broker on Fly.io.

Deploying Kafka on Fly.io

Before I could wire Kafka into Sentinel’s ingestion layer, I needed a Kafka broker that wasn’t going to cost me $50/month to leave running while I figured things out.

AWS MSK? Overkill for dev work. I need something in the middle — a real bro…

This post is for paid subscribers

Already a paid subscriber? Sign in
© 2026 The Cloud Dive · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture