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Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.

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Secrets Management in Practice: From .env Files to Vault
••5 days ago

Secrets Management in Practice: From .env Files to Vault

How we migrated from .env files checked into repos to a proper secrets management workflow with HashiCorp Vault and CI/CD integration.

KU
Kiril urbonas
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Incident Postmortems That Actually Prevent Repeat Failures
••6 days ago

Incident Postmortems That Actually Prevent Repeat Failures

How to write postmortems that lead to real improvements, not just documentation theater. Includes a template and real examples.

KU
Kiril urbonas
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Terraform Modules Done Right: Lessons from Managing 50+ Services
••last week

Terraform Modules Done Right: Lessons from Managing 50+ Services

Practical patterns for Terraform modules at scale: versioning, composition, testing, and avoiding the monolith trap.

KU
Kiril urbonas
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How We Cut Our Docker Image Size by 80% and Why It Matters
••last week

How We Cut Our Docker Image Size by 80% and Why It Matters

A real walkthrough of shrinking bloated Docker images from 1.2GB to 240MB using multi-stage builds, Alpine, and dependency auditing.

KU
Kiril urbonas
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Artifact Promotion Instead of Rebuilds: The Release Control Pattern That Stopped Drift
••last week

Artifact Promotion Instead of Rebuilds: The Release Control Pattern That Stopped Drift

A practical artifact promotion guide for CI/CD teams that were tired of hearing 'it passed in staging' after production behaved differently because the release was rebuilt.

KU
Kiril urbonas
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Terraform Module Version Pinning: How One Platform Team Stopped Surprise Breakage
••2 weeks ago

Terraform Module Version Pinning: How One Platform Team Stopped Surprise Breakage

A real-world Terraform module version pinning guide for platform teams that want safer upgrades, clearer ownership, and fewer broken pipelines after shared module releases.

KU
Kiril urbonas
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Blue-Green Deployment Guardrails in Kubernetes: Lessons from a Failed Friday Rollout
••3 weeks ago

Blue-Green Deployment Guardrails in Kubernetes: Lessons from a Failed Friday Rollout

A Kubernetes blue-green deployment guide built around a real rollout failure, showing the guardrails that matter when traffic shifting, health checks, and rollback timing all interact.

KU
Kiril urbonas
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GitHub Actions Monorepo CI: How We Cut Build Times Without Breaking Main
••0 months ago

GitHub Actions Monorepo CI: How We Cut Build Times Without Breaking Main

A practical GitHub Actions monorepo CI guide built around a real scaling problem: long queues, noisy failures, and developers waiting 40 minutes for feedback.

KU
Kiril urbonas
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What We Learned Running Weekly Game Days on Our CI/CD Pipeline
••last month

What We Learned Running Weekly Game Days on Our CI/CD Pipeline

Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.

KU
Kiril urbonas
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End-of-Week Engineering: Why Smart Tech Teams Don’t Ship Major Changes on Friday
••last month

End-of-Week Engineering: Why Smart Tech Teams Don’t Ship Major Changes on Friday

A practical risk-management framework for release timing, Friday deployment policies, progressive delivery, and how elite teams protect reliability and people.

KU
Kiril Urbonas
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GitHub Actions for Monorepos: Fast CI Without Pipeline Chaos
••last month

GitHub Actions for Monorepos: Fast CI Without Pipeline Chaos

A practical pattern for monorepo CI with path filters, matrix builds, caching, and deployment guards that keep feedback fast as teams scale.

KU
Kiril Urbonas
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Azure DevOps Best Practices in 2026: Build Pipelines You Can Trust
••last month

Azure DevOps Best Practices in 2026: Build Pipelines You Can Trust

A production-focused guide to Azure DevOps: standardized YAML templates, secure service connections, rollout safety, and measurable delivery reliability.

KU
Kiril Urbonas
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