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Monitoring & alerts

Know it broke before your customers tell you

The worst way to learn about an outage is a support email. Monitoring is a couple of days of work and it changes how the whole thing feels to run.

In short

Monitoring means three things running at once: uptime checks that confirm the app is reachable, error tracking that captures every exception with its stack trace and the session that caused it, and performance alerts that fire when latency or error rate crosses a threshold you set. Gen2Prod wires all three to Slack or email with thresholds tuned from a week of your real traffic — because an alert people learn to ignore is worse than no alert at all.

Typical timeline
2–3 days
Alerts to
Slack, email or PagerDuty
Covers
Uptime, errors, latency and logs
Available as
A one-off setup or an ongoing retainer

You probably need this if…

  • You found out about the last outage from a customer.
  • Errors go to the browser console and nowhere else.
  • There are no logs from yesterday because nothing kept any.
  • You can't answer “was it slow last Tuesday?”
  • Alerts exist, and everyone has muted the channel.

What monitoring & alerts covers

Uptime checks

External checks on the routes that matter — not only the homepage — run from more than one region.

Error tracking

Every exception captured with a stack trace, a release version, and the session that caused it, mapped back to your source.

Latency & performance alerts

Thresholds on response time, error rate and Core Web Vitals, tuned so a page firing means something is genuinely wrong.

Logs you can search

Structured logging with retention, so “what happened at 3am” is a query rather than a guess.

A dashboard worth opening

One screen — traffic, errors, latency and the last deploy — enough to answer “is it fine?” in five seconds.

Alert routing

Who gets woken, for what, and how it escalates: agreed with you and written down.

How we run it

  1. 1

    Instrument

    Error tracking, tracing and structured logs added to the app and tied to your release versions.

  2. 2

    Tune the thresholds

    Set from a week of your real traffic, so alerts fire on incidents rather than on Tuesdays.

  3. 3

    Rehearse an alert

    We trigger one end to end, so you know the notification arrives before the night you need it to.

What you get back

  • Uptime, error and performance monitoring live
  • Alerts routed to Slack or email, thresholds tuned and tested
  • A dashboard covering traffic, errors, latency and deploys
  • An incident runbook: what to check first, how to roll back

Tools we reach for

  • Sentry
  • Uptime monitoring
  • Structured log storage
  • Grafana
  • OpenTelemetry
  • Slack & PagerDuty
  • Platform analytics

Monitoring & alerts — questions we get asked

What does monitoring cost to run?

Most apps at early traffic sit inside the free or entry tiers of an error tracker and an uptime service — nothing to a few tens of dollars a month. We size the tools to your traffic and tell you where the next price step is.

Can you watch it for us?

Yes — that's the monitoring retainer. We take the alerts, triage them, and fix what falls to us. The pricing page sets out what's included.

Does this add user tracking to my app?

No. Error and performance monitoring watches your servers and your code, not your users' behaviour. We configure it to scrub personal data by default and tell you exactly what leaves your app.

We already have Sentry. Is that enough?

It's a good start, and it's usually installed but not tuned: no release tracking, no source maps, no alert rules, and thousands of noise events nobody reads. Making an existing setup genuinely useful is often a single day of work.

Your AI-built product deserves a real launch.

Start with a free 15-minute call. We'll tell you honestly what it takes to get you live — no pressure, no jargon.

Senior engineers only · NDA on request · Your code stays yours