For people building apps with AI tools

Practical help for the app you built with AI, page 7.

Latest articles

Security

How to detect Log4j vulnerability in what you run, and how to tell whether a published CVE is actually exploitable in your app

16 min read
Stability

How to set a timeout on fetch, and on every other external call: AI, email, payments and the database

14 min read
Security

How to set up a web application firewall or CDN in front of your app, and prove it absorbs a flood

17 min read
Data Safety

How to wrap multiple writes in a transaction, so a failed signup or order leaves nothing half-finished

19 min read
Stability

Incident response plan template for a team of five: a security incident response template you can fill in today

23 min read
Performance

JMeter, k6, Locust or Gatling: which load-testing tool to run against a small web app, and how to tell the pick was right

19 min read
Performance

Lambda concurrency, the timeout ceiling, and the serverless limit that actually bites first

19 min read
Performance

Load testing a web application: how to run one, what to measure, and how to fix the first bottleneck

25 min read
Security

Man in the middle attack: what it is, how it works, and what actually stops one on a modern web app

13 min read
Security

The npm malware package incidents: what the compromised versions did, and how to check your lockfile

23 min read
Data Safety

The object storage security checklist: signed links, upload limits, and the bucket that is public by accident

19 min read
Performance

OOM kill: how to read one, the score that picked your process, and what to change so it stops

18 min read
Maintainability

Owning an app someone else built: the takeover checklist for the repository, accounts, domain, keys and hosting

12 min read
Launch Readiness

The production readiness checklist for a SaaS: every item, by area, with how to verify it

24 min read
Maintainability

Production readiness review: how to run a PRR for a small team in one hour, and the questions the reviewer asks

12 min read
Stability

The RCA meaning software teams use: root cause analysis after an outage, and the postmortem that makes the fix stick

15 min read
Maintainability

The runbook template for a small SaaS: deploy, rollback, key rotation, restore, and one runbook per alert

16 min read
Performance

Scaling web applications: what to change, in what order, before you add a server

13 min read