Mathias Paulenko
Software Engineer & Founder of StackPractices
Mathias Paulenko
Software Engineer
Software engineer with 12+ years of experience building production systems across Python, JavaScript, React, and DevOps. I have contributed to enterprise projects spanning CI/CD pipelines, API design, cloud infrastructure, and full-stack development.
StackPractices is my personal project, born from a simple belief: great documentation should be copy-paste ready. Every recipe, pattern, and guide on this site is designed to save you time and help you ship faster.
Published Works (1032)
CI/CD Security: Harden Your Pipelines and Prevent Supply
A practical guide to securing CI/CD pipelines: secrets management, least-privilege runners,...
Feature Flags: Progressive Release and Safe Experimentation
A practical guide to feature flags: implementation patterns, progressive rollouts, kill switches,...
Chaos Engineering — Principles, Tools, and Safe Experiments
A practical guide to chaos engineering: build resilient systems by intentionally injecting...
FinOps — Cloud Cost Optimization and Financial Operations
A practical guide to FinOps: visibility, optimization, and governance of cloud spending. Learn...
Multi-Cloud Strategies — Benefits, Pitfalls
A practical guide to multi-cloud architecture: when to adopt it, workload placement strategies,...
Observability — Metrics, Logs, and Traces Complete Guide
A practical guide to observability: the three pillars (metrics, logs, traces), implementing with...
OpenTelemetry — Implementation Guide for Metrics, Logs
A practical guide to OpenTelemetry: instrumentation, collectors, exporters, and wiring OTLP to...
Service Mesh — Istio, Linkerd, and Sidecar Architecture
A practical guide to service mesh: what it is, when to adopt it, core concepts (sidecar, mTLS,...
Site Reliability Engineering
A practical guide to SRE: defining SLIs, SLOs, and SLAs, managing error budgets, toil reduction,...
Alert Management: On-Call Alerting That Works
A practical guide to alert management: reducing alert fatigue, defining severity levels, escalation...
Distributed Tracing: End-to-End Request Flow Across
A practical guide to distributed tracing: instrumenting applications, trace propagation, sampling...
Incident Response: Structured Handling for Production
A practical guide to incident response: declaring incidents, building an incident command...
Log Aggregation — Centralize, Search
A practical guide to log aggregation: structured logging, shipping strategies, retention policies,...
Metrics and Dashboards
A practical guide to metrics and dashboards: instrumenting applications, choosing metric types,...
API Rate Limiting — Design Fair and Useful Throttling
A practical guide to API rate limiting: token bucket, leaky bucket, sliding window algorithms,...
Capacity Planning — Forecast, Scale
A practical guide to capacity planning for cloud and on-premise infrastructure: demand forecasting,...
Disaster Recovery: RTO, RPO, and Resilient Recovery Runbooks
A practical guide to disaster recovery planning: defining RTO and RPO, backup strategies,...
CQRS — Command Query Responsibility Segregation
A complete guide to CQRS: separate read and write models to optimize performance, scalability, and...
Event Sourcing — State as a Sequence of Events
A detailed analysis into Event Sourcing: persist state changes as events, reconstruct aggregates...
Hexagonal Architecture — Ports, Adapters, and Testability
A complete guide to Hexagonal Architecture (Ports and Adapters): structure applications so domain...
Modular Monolith — A Pragmatic Architecture
A practical guide to Modular Monoliths: combine the simplicity of monoliths with the modularity of...
ACID vs BASE — Consistency Models Explained
A practical guide comparing ACID and BASE consistency models: when to choose strong consistency,...
Database Normalization — 1NF to 5NF Explained
A visual guide to database normalization: learn 1NF through 5NF with practical examples, when to...
Database Replication — Master-Slave, Multi-Master
A practical guide to database replication strategies: master-slave, multi-master, synchronous vs...