Iurii RoguliaIurii Rogulia
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Iurii Rogulia, senior full-stack software engineer. Professionally building software since 2001.

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Lappeenranta, Finland 🇫🇮

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Iurii Uses: #DevOps

4 articles

Structured Logging in Next.js with Pino (Request IDs to stdout)
August 21, 2026· 11 min
Structured Logging in Next.js with Pino (Request IDs to stdout)

Structured logging in Next.js with pino: JSON to stdout, a per-request x-request-id, a wrapper that logs method/path/status/latency, and no secrets in logs.

Stack

Next.jsTypeScript

Libraries

pino

Topics

ObservabilityDevOpsInfrastructure
AI Agent Prompts: Guardrails to Prevent Code Disasters
June 5, 2026· 18 min
AI Agent Prompts: Guardrails to Prevent Code Disasters

Keep an AI agent inside your codebase conventions: CLAUDE.md structure, system prompts, mid-session stop prompts, and where lint rules beat text instructions.

Topics

AIEngineering PracticeBest PracticesWorkflowDevOps
Health Check Endpoint in Node.js: Liveness vs Readiness
May 25, 2026· 18 min
Health Check Endpoint in Node.js: Liveness vs Readiness

Production healthcheck endpoints: liveness vs readiness probes, dependency checks with timeouts, 200 vs 503 logic, Docker and Kubernetes config, and security.

Stack

Node.jsTypeScript

Libraries

HonoBullMQ

Databases

PostgreSQLRedis

Topics

ArchitectureDevOpsInfrastructure
Cloudflare WAF Free Plan: Block Bots Without Paying
April 14, 2026· 8 min
Cloudflare WAF Free Plan: Block Bots Without Paying

Block scanner bots with Cloudflare WAF on the free plan. Exact rule for /.env, /wp-admin, /xmlrpc — with the starts_with gotcha and curl API deployment.

Services

Cloudflare

Topics

SecurityDevOpsInfrastructure
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