Blog

Pockit Engineering Blog - Stories about development, tech, and tools

RSS

LLM Observability Deep Dive: How to Monitor, Trace, and Debug AI Agents in Production

LLMobservabilityAI agentstracingLangSmithLangfusemonitoringproductiondebuggingMLOps

Master LLM observability for production AI agents. Learn distributed tracing for multi-step reasoning chains, compare LangSmith vs Langfuse vs Arize, implement cost tracking and automated evals, and build the monitoring stack that turns black-box agents into debuggable systems.

Zero-Downtime PostgreSQL Schema Migrations: The Complete Guide to Changing Production Databases Without Breaking Anything

PostgreSQLdatabasemigrationszero-downtimeschema changesDevOpsbackendproductionexpand-contractdeploy

Master the art of zero-downtime PostgreSQL schema migrations. Learn the expand-contract pattern, advisory lock strategies, safe column additions, index creation without locking, backfill techniques, and production-tested tooling to change your database schema while serving millions of requests.

AI-Powered Code Migration: How to Use LLMs to Modernize Legacy Codebases Without Losing Your Mind

AILLMcode migrationlegacy codemodernizationrefactoringAngularReactJavaKotlinPythonCOBOLASTprompt engineering

A production-tested guide to using LLMs for automated code migration. Covers Angular-to-React, Java-to-Kotlin, Python 2-to-3, COBOL-to-Java patterns, prompt engineering for code transformation, AST-aware migration pipelines, validation strategies, and the real limitations you need to know before betting your codebase on AI.

Next.js 16 Migration Guide: Turbopack, Proxy, Cache Components, and Every Breaking Change Explained

Next.jsNext.js 16migrationTurbopackReactTypeScriptweb developmentfrontendproxycache componentsPPR

The complete, production-tested guide to upgrading from Next.js 15 to Next.js 16. Covers the Turbopack-only bundler, the middleware-to-proxy migration, async request APIs, Cache Components with 'use cache', Partial Prerendering by default, memory optimization in containers, and step-by-step codemods for every breaking change.

How to Add AI Features to Any Existing Web App Without a Rewrite

AILLMweb developmentOpenAIAnthropicAI integrationstreamingproductionTypeScriptReact

A production-ready guide to incrementally integrating AI capabilities into existing web applications. Covers architecture patterns, LLM API integration, streaming responses, error boundaries, cost controls, and real-world patterns for shipping AI features that don't break your app.

...