Practical guidance on platform engineering, reliability and delivery: the reasoning, the trade-offs and the configuration. Written to be checked by an experienced engineer.

The examples are generic and illustrative. They are not taken from any client environment: adapt thresholds and settings to your own system.

1. N—01

   Error budgets and burn-rate alerts: paging for the right reasons

   How to turn an SLO into alerts that fire fast on real outages, stay quiet on noise and stop paging once the problem is fixed.

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2. N—02

   A production baseline for Kubernetes workloads

   Requests, probes, disruption budgets, graceful shutdown and pod security: the settings a production Deployment should have before its first incident.

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3. N—03

   Terraform in a team: state layout, blast radius and reviewed plans

   How to split Terraform state, run plans in CI and apply only what was reviewed, so infrastructure changes become routine instead of risky.

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4. N—04

   Build once, promote by digest: a delivery pipeline you can roll back

   A reference delivery path where the artifact tested in staging is exactly the one in production, and a rollback is a redeploy of the previous digest.

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