Alerting20 November 20244 min read

Setting Up Slack and Discord Alerts That Don't Get Ignored

The #alerts Slack channel has 847 unread messages. Nobody reads it anymore. When a real outage fires, the notification disappears into the same void as the 'recovered' ping from 20 minutes ago.

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Alerting

Most teams mute their alert channels within a month. Here's how to structure your notification setup so alerts stay actionable and don't drown in noise.

Why alert channels die

Alert channels die because of volume and irrelevance. When every check-in, recovery, and informational notification goes to the same channel, the signal-to-noise ratio collapses.

The channel structure that works

#incidents — SEV1 only. This channel must never be noisy.

#monitoring — SEV2 and informational.

#monitoring-recovery — Recovery notifications only.

#deploys — Deploy notifications. Correlating deploy events with alert spikes becomes trivial.

Discord-specific setup

Discord has advantages for small technical teams:

Role mentions work. `@on-call` actually pings the role.

Webhooks are free. Unlike Slack, Discord doesn't charge for webhook message formatting.

For AlertsDock Discord integration: create a channel, add a webhook, and paste the URL into your notification settings.

Alert message formatting

A good alert message answers three questions in under 5 seconds: What broke? How bad is it? Where do I go to investigate?

AlertsDock alert format includes monitor name, URL, status change, response time, direct dashboard link, and duration.

Escalation when nobody responds

Build an escalation chain: 1. Slack/Discord notification (immediate) 2. Email (5 minutes later) 3. Webhook to PagerDuty/OpsGenie (10 minutes later) 4. SMS (SEV1 only, if still unacknowledged)

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20 November 2024
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