@unjica

Sanja Malovic

@unjicaJoined June 2022

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Sanja Malovic's blogs

Telemetry Trackertelemetry-tracker.hashnode.dev6 posts

Self-host our MIT error tracker with one Docker Compose file

Telemetry Tracker is our open-source (MIT) error tracker for side projects and small teams: grouped errors, events, sessions and Web Vitals, with a Fastify API, a Next.js dashboard and PostgreSQL. Sin

7h ago · 7 min readtelemetry-tracker.hashnode.dev

Are ad-blockers eating your error reports? How to check, and how a same-origin proxy works

Your error tracker shows a quiet week. Support shows three emails about a checkout button that "does nothing". Both can be true at the same time: the errors happened, but the reports never left the br

2d ago · 6 min readtelemetry-tracker.hashnode.dev

Let your coding agent read production errors (read-only, with a scoped token)

Your coding agent can read the whole repo, but not what broke in production. So the loop is: open the error tracker, copy the stack trace, paste it into chat, lose half the context on the way. The Mod

Oct 15 · 4 min readtelemetry-tracker.hashnode.dev

Readable Hermes stack traces for Expo/EAS: one release per JS bundle

Your Expo app crashes in production and the error tracker shows this: TypeError: undefined is not an object (evaluating 'e.items.length') at anonymous (index.android.bundle:1:284133) at map (n

Oct 13 · 6 min readtelemetry-tracker.hashnode.dev

I Didn’t Expect Open Source to Be the Hard Part

A few months ago I started building Telemetry Tracker. Originally, it wasn’t supposed to become a “real” product. I mostly wanted a place to experiment with telemetry, SDKs, dashboards, and a few back

Jul 12 · 3 min readtelemetry-tracker.hashnode.dev

Sanja Malovic

About

Available for

Sanja Malovic's blogs

Self-host our MIT error tracker with one Docker Compose file

Are ad-blockers eating your error reports? How to check, and how a same-origin proxy works

Let your coding agent read production errors (read-only, with a scoped token)

Readable Hermes stack traces for Expo/EAS: one release per JS bundle

I Didn’t Expect Open Source to Be the Hard Part

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Sanja Malovic

About

Available for

Sanja Malovic's blogs

Self-host our MIT error tracker with one Docker Compose file

Are ad-blockers eating your error reports? How to check, and how a same-origin proxy works

Let your coding agent read production errors (read-only, with a scoped token)

Readable Hermes stack traces for Expo/EAS: one release per JS bundle

I Didn’t Expect Open Source to Be the Hard Part