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Our real-time data pipeline was failing due to mysterious throughput limits. The culprit? A little-known Kinesis Data Firehose limitation that has not…
Introduction As part of the DMI (DevOps Micro Internship) Cohort 2, our team successfully deployed the Spring Petclinic Microservices application on A…
When AWS announced Cost Optimization Hub at re: Invent 2023, my first reaction was: finally. For years, AWS savings recommendations had been scattered…
How to Control CloudWatch Logs Costs on ECS? Originally published at https://fortem.dev/blog/cloudwatch-costs-ecs ECS sends all logs to CloudWatch wit…
The problem IAM wildcards and public S3 buckets keep slipping through Terraform code review. Tools like Checkov and tfsec exist but they live in CI, r…
I have a confession: I've spent more of my career arranging rectangles in Lucidchart than I'd like to admit. Not designing systems — arranging rectang…
Note: My English proficiency is limited, so I used GenAI (Kiro CLI) to help translate this post. This is the story of how I went from zero iOS develop…
A bot on Polymarket quietly extracted $32k in near risk-free profits by sniping “Will Company XYZ Beat Earnings?” markets. It waits for the official r…
ECS Service Discovery: Cloud Map vs Service Connect Originally published at https://fortem.dev/blog/ecs-service-discovery-guide Cloud Map, Service Con…
TL;DR We had a video feature built on S3 + MediaConvert + CloudFront + a hand-rolled player + a half-finished CloudWatch dashboard. It worked, but eve…
Most of the code in Quorum was written by directing Claude Code, an AI coding agent. That is not the interesting claim, and on its own it is not even …
The thesis Quorum is built on is uncomfortable and true: the tools a team uses to coordinate an incident often live in the same region as the thing th…
Quorum is an incident command plane built on Amazon Aurora DSQL. The failover story lives in another post. This one is about a narrower question that …
The laptop was never the interesting part of coding agents. It was just the first convenient runtime. Your laptop has the repository, the shell, the s…
Most of the code in Quorum was written by directing Claude Code, an AI coding agent. That is not the interesting claim, and on its own it is not even …
You wake up to this email from AWS: Irregular Activity Detected for Your AWS Access Key As part of our standard monitoring of AWS systems, we observed…
There is common point of confusion. what's the different between REST API vs. HTTP API in AWS and what's the different between them and a traditional …
Most teams manage their VPC IP ranges in a spreadsheet — until two VPCs overlap, a peering connection refuses to come up, and nobody can remember who …
Recap. Part 1 framed the problem (trajectory reward is too coarse for multi-step agents) and SDAR's fix (a privileged teacher gives dense token-level …
A year ago I'd have told you a .env file was fine. Then we patched a CVSS 10.0 RCE in Next.js ( CVE-2025-66478 ) and spent the next two days rotating …
Introduction The AWS Command Line Interface (AWS CLI) is a powerful tool that enables developers and system administrators to interact with Amazon Web…
I created this piece of content for the purpose of entering the H0: Hack the Zero Stack hackathon. #H0Hackathon The problem (that's harder than it sou…
Hi dev.to 👋 I'm Andres. Long-time builder, first-time dev.to poster. (Pretty sure I should have done this years ago.) Just shipped Ad Engine — a 24/7 …
Docker Compose facilitates spinning up local AWS-compatible services without an AWS account. This post covers DynamoDB Local for key-value storage and…
When our group of 11 was handed the brief for our DMI DevOps Micro-Internship capstone project, the goal was clear: take a real-world microservices ap…
Shifting from traditional application testing to serverless TypeScript engineering is all about shifting your perspective: you stop testing a running …
Your AWS bill shows CloudWatch at $400 this month. You have 15 ECS services logging INFO-level with retention set to Never Expire. You didn't configur…
By Sailee Shingare | M.S. in Computer Science, Northern Illinois University (NIU) In my last post, I said the cloud is essentially “someone else’s com…
On June 9, 2026 (US time), two big announcements landed on the same day. At the keynote of Datadog's annual event DASH 2026 in New York, the Bits AI f…
On February 14, 2026, Meta started enforcing health-data restrictions that broke pixel-based lower-funnel conversion tracking for DTC telehealth adver…