On-call automation with runbook bots
Use chat bots, runbook fragments, and guardrails to turn noisy alerts into guided fixes.
Complete Systems Blog
Latest posts
Engineering notes and production practices from the complete.systems team.
Progressive delivery with traffic mirrors
Use mirroring, headers, and shadow canaries to validate risky changes before users notice.
Resilient message processing playbook
Checklist and code snippets for keeping queues flowing when consumers misbehave.
Service catalog SLO handbook
How we wire SLOs into the catalog so ownership, alerts, and error budgets stay consistent.
CloudFront + WAF Basics: Reducing Impact During Traffic Spikes
A practical baseline for protecting public endpoints with CloudFront and WAF without overcomplicating the setup.
Incident-Ready Observability: What to Set Up Before You Need It
A practical checklist for logs, metrics, traces, and alerting that actually helps during incidents.
Terraform Modules You Won’t Hate: Practical Patterns for Teams
How to structure Terraform modules so they stay reusable, readable, and safe across environments.
Why production systems need clear defaults
A quick look at the principles guiding how complete.systems builds and operates production software.
Safe database migrations in busy systems
Practical patterns we use to evolve schemas without blocking traffic or waking up the on-call.
Build SLO dashboards in a day
A lightweight recipe for rolling out error budget dashboards that engineers actually check.
Postmortems that drive real change
Our template for turning incidents into durable fixes instead of a list of regrets.
Ephemeral preview environments that mirror production
How we spin up disposable environments per pull request without drifting from production.
Runbooks engineers actually trust
How we write and maintain runbooks that get used during real incidents instead of ignored.
Feature flag rollouts that stick
A practical rollout recipe we use to ship risky changes with confidence and keep flags tidy afterward.
Designing dual light and dark themes without losing your brand
How we keep the complete.systems look and feel consistent while offering a reader-friendly light and dark experience.