postmortems

A comprehensive list of Game Design related learning materials, examples and tools.

PagerDuty's Public Postmortem Documentation

Collection of how and why software systems fail

a currated collection of postmortems which are interesting to read and learn from

This is a postmortem template inspired by atlassian for document incident reports and taking actions

The design writing behind the code: RFC and ADR templates, a review process, an index of every project’s design documents, and a checker that fails CI on missing sections or leftover placeholders.

A public repository of technical case studies examining the operational challenges faced by technology platforms in Africa as they scale, handle outages, and maintain reliable systems.

Research Lab: Why do clusters fail - Multi-agent analysis of cascade dynamics, resource exhaustion, and network partition failure patterns

Production ops patterns from a self-built 229-timer / 400-unit systemd fleet on a Raspberry Pi 5: self-heal loops, watchdogs, fault-tested monitors, postmortems, runbooks

A public collection of detailed engineering postmortems from production bugs I've debugged.

Self-hosted infrastructure: mail, monitoring, backups and security. Design notes, postmortems and example configs. Every value is a placeholder.

Museum of Failed Routes: famous outages, told hop by hop.

Documentation of my journey of setting up a self-hosted Kubernetes (K3s) platform. Features system architecture, tradeoffs (ADR), and learned lessons from the postmortems of the platform.

Architecture case study of TheOnlyCopy: the agent operating model, the relevance pipeline, and four incident write-ups.

Sanitized production incident postmortems. The bugs we shipped, the fixes that worked, the machine-enforced rules that prevent the next one.

Recurring build mistakes, their root causes and the fixes that stuck. Check the matching file before the matching operation.

Change Intelligence: answer ‘what changed?’ with evidence + blast radius during incidents

Operating layer for a multi-vendor agent fleet: security posture, mechanical guards, postmortems, and working agreements.