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A JavaScript runtime built on Chrome's V8 JavaScript engine.

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Testing Stripe webhooks locally without ngrok

Testing Stripe webhooks locally without ngrok

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3 min read
Why your transactional email needs a queue, not a try/catch

Why your transactional email needs a queue, not a try/catch

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12 min read
28 Hours of Green Logs, Zero Replies: How a Single `echo` Line Swallowed Every Exit Code

28 Hours of Green Logs, Zero Replies: How a Single `echo` Line Swallowed Every Exit Code

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23 min read
CloudWatch EMF Explained Simply: How to Emit Zero‑Overhead Custom Metrics from Your AI Node.js Service

CloudWatch EMF Explained Simply: How to Emit Zero‑Overhead Custom Metrics from Your AI Node.js Service

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8 min read
Left-pad incident explained: how 11 lines of JavaScript broke npm

Left-pad incident explained: how 11 lines of JavaScript broke npm

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8 min read
Math.random Signed the Cookies: 12 Requests to HFS Admin

Math.random Signed the Cookies: 12 Requests to HFS Admin

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8 min read
I Built a Retry Library Because I Kept Losing Failed API Calls

I Built a Retry Library Because I Kept Losing Failed API Calls

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2 min read
How to Build Node.js Failure Metrics Dashboards and Email Alerts for SaaS

How to Build Node.js Failure Metrics Dashboards and Email Alerts for SaaS

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6 min read
Why we open-sourced cachegate, the LLM router we built for our own product

Why we open-sourced cachegate, the LLM router we built for our own product

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2 min read
Fillable Tax Forms with Asynchronous Jobs, Retries, and Latency Control

Fillable Tax Forms with Asynchronous Jobs, Retries, and Latency Control

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7 min read
Codex Sandbox Escape: 3 Checks Before You Open Another Repo

Codex Sandbox Escape: 3 Checks Before You Open Another Repo

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8 min read
My WebSocket was open the whole time. It just stopped sending anything.

My WebSocket was open the whole time. It just stopped sending anything.

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8 min read
Asynchronous Form Schema Discovery: Idempotent Retries and Secure Temporary Files

Asynchronous Form Schema Discovery: Idempotent Retries and Secure Temporary Files

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8 min read
I Traced vm2's 9.5 Sandbox Escape to a Missing Regex Boundary

I Traced vm2's 9.5 Sandbox Escape to a Missing Regex Boundary

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6 min read
Why your webhook signature check fails (and the bugs that pass it)

Why your webhook signature check fails (and the bugs that pass it)

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Comments 2
3 min read
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