AWS, DigitalOcean, deployment guides
24 articles
Your load balancer shows all instances healthy, but users are hitting 500s. This guide explains why ELB health checks lie, and exactly how to fix them so bad instances get pulled before they reach production traffic.
CloudWatch alarms that miss or delay alerts can let outages slip through undetected. This guide breaks down exactly why alarms misfire and shows you concrete fixes for evaluation periods, missing data, metric math, and composite alarms.
DigitalOcean Managed Postgres failover is automatic, but your app still drops connections during the switchover. Here's why it happens, what the failover window actually looks like, and exactly how to make your app survive it without data loss.
A failed terraform apply mid-run is one of the most nerve-wracking situations in infrastructure work. Your state file says one thing, your cloud says another, and you're not sure what's safe to touch. Here's how to diagnose and fix it cleanly.
Your app is humming along, then a traffic spike hits and suddenly every request times out with 'too many connections.' Here's exactly how to diagnose RDS connection pool exhaustion and fix it before it takes down your service again.
When your ECS tasks suddenly fail to start because ECR can't serve images fast enough, the deployment pipeline grinds to a halt at the worst moment. Here's how to diagnose the problem and fix it for good.
Terraform state drift is one of those failures that hides in plain sight — your plan looks clean, your apply runs, and then something downstream silently breaks. Here's how to find it and stop it before it ruins a deploy.
Your DigitalOcean Droplet restarts with no error in your app logs, no alert fired, and no obvious cause. The culprit is almost always a silent OOM kill. Here's how to find it, prove it, and stop it from happening again.
Your ALB is throwing 502s, your users are angry, and by the time you open CloudWatch the error is gone. This guide walks through the exact causes and tools to catch transient 502s before they ghost you again.
Your ECS tasks run perfectly in staging but crash under real traffic. The culprit is almost never the code itself — it's resource limits, health check timing, and environment differences you never thought to replicate. Here's how to find and fix them.
Your S3 bill just spiked and you have no idea why. Storage looks fine, but the request charges are enormous. Here's how to find what's hammering your buckets and shut it down before it gets worse.
Cold starts killing your Lambda response times? Before you pay for Provisioned Concurrency, try these practical Python techniques that cut initialization time without touching your AWS bill.