Personal Tech Blog | hidekazu-konishi.com

Here I plan to share my technical knowledge and experience, and my interests in the subject. Note: this tech blog is a space for sharing my personal views and ideas, and it does not represent the opinions of any company or organization I am affiliated with.
The main purpose of this blog is to deepen my own technical skills and knowledge, to create an archive where I can record and reflect on what I have learned and experienced, and to share information.
My interests span Amazon Web Services (AWS), AI-augmented development, AI agent engineering, cloud architecture, and related topics including DevOps, MLOps, AIOps, and Generative AI.
The articles are based on my personal learning and practical experience. Of course, I am not perfect, so there may be errors or inadequacies in the articles. I hope you will enjoy this technical blog with that in mind. Thank you in advance.

Personal Tech Blog Entries

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  1. Claude Code Operator's Handbook
  2. AWS History and Timeline regarding Amazon Bedrock - Overview, Functions, Features, Summary of Updates, and Introduction
  3. Amazon Bedrock Glossary - A Reference for AI Engineers and Architects
  4. AWS History and Timeline regarding AWS Identity and Access Management - Overview, Functions, Features, Summary of Updates, and Introduction to IAM
  5. AI Agent Engineering Glossary - Memory, Tools, Orchestration, and Protocols Explained
  6. AWS History and Timeline regarding Amazon EC2 - Overview, Functions, Features, Summary of Updates, and Introduction
  7. AWS IAM Glossary - Principal, Permission Boundary, SCP, RCP, ABAC, and Cedar Explained
  8. Amazon Bedrock AgentCore Master Index - A Hub for AgentCore Articles and Decision Patterns
  9. AWS History and Timeline regarding Amazon DynamoDB - Overview, Functions, Features, Summary of Updates, and Introduction
  10. AWS History and Timeline regarding Amazon CloudFront - Overview, Functions, Features, Summary of Updates, and Introduction
  11. AWS Networking Glossary - VPC, Transit Gateway, PrivateLink, and VPC Lattice Explained
  12. AWS History and Timeline regarding Amazon EKS - Overview, Functions, Features, Summary of Updates, and Introduction
  13. AWS Lambda Master Index - A Hub for Lambda Articles
  14. AWS History and Timeline regarding Amazon API Gateway - Overview, Functions, Features, Summary of Updates, and Introduction
  15. AWS Database Glossary - RDS, Aurora, DynamoDB, DocumentDB, and Neptune Explained
  16. AWS Observability Glossary - CloudWatch, X-Ray, Application Signals, and OpenTelemetry Explained
  17. MCP Server Implementation Reference - Anthropic, OpenAI, Google, Cloudflare, and AWS
  18. IAM Policy Evaluation Logic Step-by-Step - Explicit Deny, SCP, RCP, Resource Policy, Identity Policy, Permission Boundary, and Session Policy
  19. HTTP Security Headers Complete Reference - CSP, HSTS, COOP, COEP, Permissions Policy
  20. AWS Generative AI History and Timeline - From SageMaker JumpStart to Bedrock AgentCore
  21. Anthropic Claude Model Release Timeline - Model Family Tree, Capability Evolution, and Platform Availability
  22. Cryptography Glossary for Engineers - AES, RSA, ECDSA, HKDF, Envelope Encryption, and TLS Explained
  23. AWS History and Timeline regarding AWS CloudFormation - Overview, Functions, Features, Summary of Updates, and Introduction
  24. Amazon DynamoDB Master Index - A Hub for DynamoDB Design, Key Modeling, and Capacity Planning Articles
  25. AWS History and Timeline regarding Amazon RDS - Overview, Engines, Features, Summary of Updates, and Introduction
  26. AI Agent Defense in Depth Model (AIDDM) - WAF, Guardrails, Reasoning Sandbox, and Output Filter
  27. IAM Anti-Patterns - Real-World Mistakes and Their Root Causes
  28. Amazon Bedrock Model Catalog 2026
  29. Claude Code Features and Settings Reference 2026
  30. AWS History and Timeline regarding Amazon ECS - Overview, Functions, Features, Summary of Updates, and Introduction
  31. AWS Service Quotas - A Practical Cheat Sheet for Major AWS Services
  32. AWS Verified Permissions and Cedar Policy Language Complete Guide
  33. MCP Server Ecosystem Reference 2026
  34. AWS VPC Lattice Complete Guide - Service-to-Service Networking Across VPCs and Accounts
  35. AWS Postmortem Case Studies - Design Lessons from AWS Public RCAs
  36. Regex Master Course - Interactive Recipes by Job Function
  37. Practical Git Techniques - Rebase, Worktree, Hooks, and Partial Clone for Mid-Level Engineers
  38. DynamoDB Key Design Dictionary: PK/SK, GSI/LSI Selection, Hot Partition Avoidance, and Re-Keying Patterns
  39. Code Review Checklist and Anti-Pattern Catalog: A Reviewer's Reference for Modern and AI-Augmented Codebases
  40. Indie Dev Guide: From Domain Acquisition to Live Site with AWS Route 53, S3, CloudFront, and ACM
  41. AWS Well-Architected - Practical Self-Audit Checklist by Pillar
  42. Route 53 Health Check and Failover - Common Pitfalls and Designs
  43. AWS Lambda Cold Start Mitigation Guide - Provisioned Concurrency, SnapStart, and Code-Level Techniques
  44. VSCode Extensions and Keybindings - Complete Guide by Use Case
  45. AWS Multi-Account Operational Patterns - Control Tower, Organizations, SCPs
  46. Software Design Principles in Practice - SOLID, DDD, Clean Architecture
  47. Web Performance Checklist for Core Web Vitals - LCP, INP, and CLS
  48. Architecture Decision Records: Templates and Operational Patterns for Teams That Actually Maintain Them
  49. AWS Tagging Strategy: Complete Guide for Operations, Automation, and Security
  50. VPC Design Review Checklist - CIDR, Subnets, Transit Gateway
  51. Amazon S3 Object Key Design Best Practices - Performance and Partitioning
  52. PWA Advanced Implementation Guide - Service Worker Cache Strategies, Push, and Background Sync
  53. Diagram Notation Selection — C4 vs PlantUML vs Mermaid
  54. Comparing Terraform, AWS CDK, AWS SAM, and CloudFormation - A Practitioner's Guide to Mental Models, State Management, and Migration
  55. Incident Triage Flowcharts - Network, DB, and Application Layer
  56. Self-Hosted Static Site Analytics - A Privacy-First Implementation Guide
  57. Claude Code Harness and Environment Engineering: Designing the Frontline Where Local AI Agents Actually Live
  58. Claude Code Getting Started - Why Knowing About Local AI Agents Changes Everything
  59. CloudWatch Logs Insights Query Cookbook: Practical Recipes for Incident Investigation, Cost Analysis, and Security Audits
  60. Amazon DynamoDB Single Table Design Complete Guide - Access-Pattern-Driven Data Modeling Patterns
  61. AWS IAM Identity Center Complete Setup Guide - Multi-Account SSO Design Patterns from Organization Structure to ABAC
  62. MCP Server on AWS Lambda Complete Guide - Building Model Context Protocol Servers with Streamable HTTP and OAuth 2.1
  63. Amazon Bedrock AgentCore Production Operations Guide - Observability, Cost Optimization, and Disaster Recovery
  64. Amazon Cognito Federation Complete Implementation Guide - Google, Apple, Microsoft, OIDC, and SAML
  65. AWS PrivateLink and VPC Endpoints Complete Guide - Interface, Gateway, and Resource Endpoint
  66. AWS WAF for Generative AI - Prompt Injection Defense Implementation Patterns
  67. CloudFront KeyValueStore and Edge Functions Cookbook: A/B Testing, Geo Routing, Feature Flags, and Token Validation
  68. EventBridge Pipes Event-Driven Architecture Implementation Patterns
  69. AWS Step Functions Distributed Map - Practical Patterns and Pitfalls for Large-Scale Parallel Workloads
  70. Enterprise AI Agent Environment Design Notes Part 3: Cloud Selection, Cost, and Operations
  71. Enterprise AI Agent Environment Design Notes Part 2: Implementing SharePoint ACL and Permission Controls
  72. Enterprise AI Agent Environment Design Notes Part 1: Comparing the Three Major Clouds and Designing Your Architecture
  73. Amazon Bedrock AgentCore Implementation Guide Part 4: Multi-Agent Orchestration
  74. Amazon Bedrock AgentCore Implementation Guide Part 3: Building a 4-Stack CDK Architecture with an Observability Pipeline
  75. Amazon Bedrock AgentCore Implementation Guide Part 2: Multi-Layer Security with Identity, Gateway, and Policy
  76. Amazon Bedrock AgentCore Implementation Guide Part 1: Runtime, Memory, and Code Interpreter Patterns
  77. Beyond Self-Disruption: The Paradigm Shift Software Engineers Need in the AI Era
  78. Amazon Bedrock AgentCore Beginner's Guide - AI Agent Development from Basics with Detailed Term Explanations
  79. Japan AWS Top Engineer and Japan All AWS Certifications Engineer: Special Award for 6 Consecutive Years and The 6 Growth Principles
  80. Using Claude 3.7 Sonnet Vision Capabilities on Amazon Bedrock to Verify, Regenerate, and Automate Image Generation with Stable Diffusion 3.5 Large
  81. Using Amazon Bedrock for titling, commenting, and OCR (Optical Character Recognition) with Claude 3.7 Sonnet
  82. Validating and Regenerating Videos Using Amazon Nova Pro Vision Model on Amazon Bedrock (Amazon Nova Reel Edition)
  83. Amazon Bedrock Models as of 2024 - An Analysis of the Comprehensive Model Catalog
  84. Using Amazon Bedrock for titling, commenting, and OCR (Optical Character Recognition) with Amazon Nova Pro
  85. Using Amazon Nova Pro Vision Capabilities on Amazon Bedrock to Verify, Regenerate, and Automate Image Generation with Amazon Nova Canvas
  86. AI and Machine Learning Glossary for AWS - Knowledge Gained While Studying for AWS Certified AI Practitioner and AWS Certified Machine Learning Engineer - Associate
  87. Evaluating OCR Accuracy of Claude on Amazon Bedrock and Amazon Textract Using Similarity Metrics
  88. How to Add an Approval Flow to AWS Step Functions Workflow (AWS CodePipeline and Amazon EventBridge Edition)
  89. How to Add an Approval Flow to AWS Step Functions Workflow (AWS Systems Manager Automation and Amazon EventBridge Edition)
  90. How to Add an Approval Flow to AWS Step Functions Workflow (AWS Systems Manager Automation Edition)
  91. Using Claude 3.5 Sonnet Vision Capabilities on Amazon Bedrock to Verify, Regenerate, and Automate Image Generation with Amazon Titan Image Generator G1
  92. Using Amazon Bedrock to repeatedly generate images with Stable Diffusion XL via Claude 3.5 Sonnet until requirements are met
  93. Using Amazon Bedrock for titling, commenting, and OCR (Optical Character Recognition) with Claude 3.5 Sonnet
  94. AWS History and Timeline regarding Amazon Cognito - Overview, Functions, Features, Summary of Updates, and Introduction
  95. AWS History and Timeline regarding AWS Lambda - Overview, Functions, Features, Summary of Updates, and Introduction
  96. AWS CloudFormation Templates and AWS Lambda Custom Resources for Associating AWS Certificate Manager, Lambda@Edge, and AWS WAF with a Website on Amazon S3 and Amazon CloudFront Cross-Region
  97. Deploy AWS Cloudformation Stack Cross-Region with AWS Lambda Custom Resources
  98. Using Amazon Textract for OCR(Optical Character Recognition)
  99. AWS History and Timeline regarding Amazon Simple Queue Service - Overview, Functions, Features, Summary of Updates, and Introduction to SQS
  100. Using Amazon Bedrock for titling, commenting, and OCR (Optical Character Recognition) with Claude 3 Haiku
  101. Using Amazon Bedrock for titling, commenting, and OCR (Optical Character Recognition) with Claude 3 Opus
  102. Using Amazon Bedrock for titling, commenting, and OCR (Optical Character Recognition) with Claude 3 Sonnet
  103. Setting up DKIM, SPF, DMARC with Amazon SES and Amazon Route 53 - An Overview of DMARC Parameters and Configuration Examples
  104. Summary of AWS Application Migration Service (AWS MGN) Architecture and Lifecycle Relationships, Usage Notes - Including Differences from AWS Server Migration Service (AWS SMS)
  105. Basic Information about Amazon Bedrock with API Examples - Model Features, Pricing, How to Use, Explanation of Tokens and Inference Parameters
  106. Summary of Differences and Commonalities in AWS Database Services using the Quorum Model - Comparison Charts of Amazon Aurora, Amazon DocumentDB, and Amazon Neptune
  107. AWS Amplify Features Focusing on Static Website Hosting - Relationship and Differences between AWS Amplify Hosting and AWS Amplify CLI
  108. Host a Static Website configured with Amazon S3 and Amazon CloudFront using AWS Amplify CLI
  109. Host a Static Website using AWS Amplify Hosting in the AWS Amplify Console
  110. Reasons for Continually Obtaining All AWS Certifications, Study Methods, and Levels of Difficulty
  111. Summary of AWS CloudFormation StackSets Focusing on the Relationship between the Management Console and API, Account Filter, and the Role of Parameters
  112. AWS History and Timeline regarding AWS Key Management Service - Overview, Functions, Features, Summary of Updates, and Introduction to KMS
  113. AWS History and Timeline regarding Amazon EventBridge - Overview, Functions, Features, Summary of Updates, and Introduction
  114. AWS History and Timeline regarding Amazon Route 53 - Overview, Functions, Features, Summary of Updates, and Introduction
  115. AWS History and Timeline regarding AWS Systems Manager - Overview, Functions, Features, Summary of Updates, and Introduction to SSM
  116. AWS History and Timeline regarding Amazon S3 - Focusing on the evolution of features, roles, and prices beyond mere storage
  117. How to create a PWA(Progressive Web Apps) compatible website on AWS and use Lighthouse Report Viewer
  118. AWS History and Timeline - Almost All AWS Services List, Announcements, General Availability(GA)

Written by Hidekazu Konishi