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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3517 posts
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Pulumi IaC Practical Guide: Cloud Infrastructure Automation with TypeScript
A practical guide to Infrastructure as Code with Pulumi and TypeScript. Covers pros and cons vs Terraform, AWS/GCP resource provisioning, stack management, Automation API, and CI/CD integration with code examples.
2026-03-08 · 26 min read #devops#pulumi#iac#typescript#cloudSSL/TLS Certificate Complete Guide: From Issuance to Auto-Renewal and Troubleshooting
A comprehensive practical guide covering SSL/TLS certificate fundamentals, Let's Encrypt automated issuance, Nginx/AWS environment configuration, certificate auto-renewal, and common error resolution.
2026-03-08 · 13 min read #devops#ssl#tls#certificate#securityJapanese Output Drill #2026-03-08 — Friends/Dating/SNS/Drinking Parties
Japanese output training for friends, dating, SNS, and drinking party conversation scenarios.
2026-03-08 · 4 min read #japanese#output#speaking#listening#snsJapanese Observability Telemetry Pipeline Cost Optimization Guide
A practical guide to observability telemetry pipeline cost optimization in Japanese.
2026-03-08 · 8 min read #japanese#observability#cost-optimization#opentelemetry#telemetry-pipelineMBTI Use and Misuse: A Practical Guide to Workplace Communication
A practical guide analyzing how to use MBTI correctly at work, common misuse patterns, type-specific communication strategies, and methods for improving team communication.
2026-03-08 · 17 min read #mbti#communication#workplace#psychology#historyHadoop Ecosystem Practical Guide: HDFS, MapReduce, and YARN Core Concepts
A comprehensive guide covering the architecture and internals of Hadoop's core components -- HDFS, MapReduce, and YARN -- along with practical operational know-how from cluster setup to performance tuning and monitoring.
2026-03-08 · 14 min read #hadoop#hdfs#mapreduce#yarn#big-dataFun Psychology Tests for Professionals: From Self-Understanding to Team Building
A practical guide introducing 10 validated psychology tests useful for the workplace, covering each test's principles, administration methods, result interpretation, and team building applications.
2026-03-08 · 22 min read #culture#psychology#workplace#team-building#self-developmentUnderstanding Workplace Collaboration Through MBTI: Communication Strategies and Team Building Guide by Type
A practical guide applying the 16 MBTI personality types to the workplace, covering work styles by type, effective communication methods, conflict resolution strategies, and team composition optimization.
2026-03-08 · 15 min read #culture#mbti#workplace#collaboration#communicationDiet Management Guide for Office Workers: Practical Strategies for Eating Healthy in a Busy Life
A comprehensive diet management guide for busy office workers covering nutrition basics, convenience food options, meal prep guides, diet method comparisons, and restaurant menu selection tips.
2026-03-08 · 16 min read #culture#diet#health#nutrition#meal-prepVoice Chatbot Building Guide: STT/TTS Pipeline and Real-Time Voice Interface Implementation
Everything about voice chatbot construction. Covers Whisper STT, TTS engine comparison, real-time voice streaming architecture, WebSocket-based bidirectional communication, LLM integration, latency optimization, and prod
2026-03-08 · 43 min read #chatbot#voice#stt#tts#speech-recognitionChatbot Performance Monitoring and Conversation Quality Analysis: From Metric Design to A/B Test Automation
A practical guide to chatbot performance monitoring and conversation quality analysis. Covers core metric design, tracing with LangSmith/Langfuse, automated quality evaluation pipelines, and A/B testing framework with co
2026-03-08 · 30 min read #chatbot#monitoring#analytics#ab-testing#langsmithSpring Boot Authentication Practical Guide — Session, JWT, SecurityContext, Cookie-Based Auth Complete Mastery
Master how to implement session and JWT-based authentication in Spring Boot, from SecurityFilterChain and custom filters to SecurityContext and cookie configuration, with practical code examples.
2026-03-08 · 14 min read #architecture#authentication#spring-boot#jwt#cookieSSO Cookie/JWT Authentication System Complete Guide — Framework-Specific Practical Series Index
An overview of the complete flow of SSO, cookie, and JWT-based authentication systems, with a guide to the practical implementation series for Spring Boot, Django, React, and Next.js frameworks.
2026-03-08 · 15 min read #architecture#authentication#sso#jwt#cookieSSO Integration Practical Guide - OIDC/OAuth2 + Cookie/JWT Hybrid Architecture, Token Rotation Complete Mastery
Complete mastery of designing and implementing SSO with OIDC/OAuth2 and cookie/JWT hybrid architecture, covering token rotation, refresh strategies, and multi-service authentication with practical code.
2026-03-08 · 20 min read #architecture#authentication#sso#oidc#oauth2Next.js App Router Authentication Practical Guide - Middleware, Server Action, HttpOnly Cookie, SSR Auth Complete Mastery
Complete mastery of authentication implementation using middleware, Server Actions, and Route Handlers in Next.js App Router, covering HttpOnly cookies and SSR authentication patterns with practical code.
2026-03-08 · 25 min read #architecture#authentication#nextjs#jwt#cookieComplete Guide to the Strangler Fig Pattern: Zero-downtime Migration from Monolith to Microservices
Strategy for safely migrating from monolith to microservices using the Strangler Fig pattern. Covers Anti-Corruption Layer design, traffic routing, Feature Flag integration, data synchronization, rollback strategies, and
2026-03-08 · 29 min read #architecture#strangler-fig#microservices#migration#monolithConcurrent Login Prevention Implementation Guide — Layer-by-Layer Strategies with IP, Session, JWT, and Nginx Including Practical Code
A comprehensive guide covering concurrent (duplicate) login control through IP-based, session-based, JWT-based, and Nginx-level approaches — with architecture, pros/cons, practical code, and operational checklists all in
2026-03-08 · 13 min read #architecture#security#authentication#session#nginxReact SPA Authentication Practical Guide — Cookie vs Storage, Axios Interceptors, XSS/CSRF Defense Complete Mastery
Master everything about managing authentication state in React SPAs, from comparing cookies, localStorage, and in-memory storage to Axios interceptors, XSS/CSRF defense, with practical code examples.
2026-03-08 · 20 min read #architecture#authentication#react#jwt#cookieDjango Authentication Practical Guide - Sessions, DRF + SimpleJWT, Middleware, Cookie-based Auth Complete Mastery
Complete mastery of session authentication and DRF SimpleJWT-based JWT authentication in Django, covering middleware, request.user, and cookie configuration with practical code.
2026-03-08 · 18 min read #architecture#authentication#django#jwt#cookieAPI Gateway Patterns and BFF Design: Practical Implementation with Kong, Envoy, and GraphQL Federation
An in-depth analysis of API gateway patterns and BFF (Backend for Frontend) architecture. Covers pros and cons comparison of Kong, Envoy, and GraphQL Federation, authentication, rate limiting, routing implementation, and
2026-03-08 · 31 min read #architecture#api-gateway#bff#kong#envoy