TOMOAKI ishihara

Community Builder(DevTools,2025) | Japan AWS Top Engineers(Services,2025-24) | Japan All AWS Certifications Engineers(2025-24) | AWS CDK💖

Japan Joined on Mar 9, 2025 https://ishiharatma.github.io/

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TOMOAKI ishihara for AWS Community Builders

Dec 2 '25

Introducing: AWS CDK 100 Drill Exercises - Learn by Building

#aws #cdk #100drillexercises #devtools

5 min read

TOMOAKI ishihara for AWS Community Builders

Jun 21 '25

Building an AWS Summit Japan 2025 Mini Stage Schedule Viewer with Amazon Q CLI - Complete Implementation and Article Generation

#aws #amazonqcli #awssummit

5 min read

TOMOAKI ishihara for AWS Community Builders

Oct 29

Automating CodeCommit PR Reviews with Amazon Bedrock: 986 Reviews in 10 Weeks, $0.18 Each, and What We Could Not Measure

#aws #codecommit #cdk #bedrock

13 min read

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Highlights inspection limits and bypass risks

TOMOAKI ishihara for AWS Community Builders

Oct 22

Testing the AWS WAF Mitigations for PHP2Shell on Both CloudFront and an ALB

#aws #security #cdk #php

10 min read

TOMOAKI ishihara for AWS Community Builders

Aug 29

AWS CDK 100 Drill Exercises #013: CloudFront S3 Static Website — Serving a Private Bucket over HTTPS with OAC and Cross-Region WAF

#aws #cdk #100drillexercises #cloudfront

7 min read

TOMOAKI ishihara for AWS Community Builders

Aug 29

AWS CDK 100 Drill Exercises #012: S3 Static Web Site — Getting a "Public" Bucket Policy Past Block Public Access

#aws #cdk #100drillexercises #s3

6 min read

TOMOAKI ishihara for AWS Community Builders

Aug 29

AWS CDK 100 Drill Exercises #011: A CodePipeline for CloudFront & S3 — and a self-reference bug

#aws #cdk #100drillexercises #codepipeline

8 min read

TOMOAKI ishihara for AWS Community Builders

Aug 17

AWS CDK 100 Drill Exercises #009: CloudWatch Logs S3 Archive — Comparing 3 Log Archive Patterns in One Repository

#aws #cdk #100drillexercises #cloudwatchlogs

12 min read

TOMOAKI ishihara for AWS Community Builders

Aug 17

AWS CDK 100 Drill Exercises #010: Budget Alerts & Cost Anomaly Detection — 5 FinOps Alerting Patterns in CDK

#aws #cdk #100drillexercises #finops

14 min read

TOMOAKI ishihara for AWS Community Builders

Aug 17

AWS CDK 100 Drill Exercises #009: CloudWatch Logs S3 Archive — Comparing 3 Log Archive Patterns in One Repository

#aws #cdk #100drillexercises #cloudwatchlogs

12 min read

TOMOAKI ishihara for AWS Community Builders

Jul 28

AWS CDK 100 Drill Exercises #008: CloudFront VPC Origin — Reaching an Internal ALB Directly, and Designing an Incident-Response Escape Hatch

#aws #cdk #100drillexercises #cloudfront

11 min read

TOMOAKI ishihara for AWS Community Builders

Jul 23

AWS or Amazon Quiz — How Well Do You Know AWS Service Prefixes?

#aws #quiz #game #devchallenge

3 min read

TOMOAKI ishihara for AWS Community Builders

Jul 19

The problem of putting Transit Gateway subnets at the "end" of a CIDR — existing tools couldn't solve it, so I built one myself

#aws #networking #javascript #tools

6 min read

TOMOAKI ishihara for AWS Community Builders

May 18

CTF Event Report: Security-JAWS 10th Anniversary Day 2 — All 27 AWS Security Challenges Solved

#aws #security #ctf #cloudnative

8 min read

TOMOAKI ishihara for AWS Community Builders

Jan 26

AWS CDK 100 Drill Exercises #007: SQS-Lambda-Firehose —— Building Event-Driven Data Pipelines

#aws #cdk #100drillexercises #sqs

7 min read

TOMOAKI ishihara for AWS Community Builders

Dec 31 '25

AWS CDK 100 Drill Exercises #006: VPC Peering - Cross-Account Network Integration and DNS Resolution Automation

#aws #cdk #100drillexercises #vpc

12 min read

TOMOAKI ishihara for AWS Community Builders

Dec 26 '25

AWS CDK 100 Drill Exercises #005: CDK Parameters —— Managing Parameters with TypeScript vs cdk.json

#aws #cdk #100drillexercises

10 min read

TOMOAKI ishihara for AWS Community Builders

Dec 24 '25

AWS CDK 100 Drill Exercises #004: NAT Instance V2 — Cost-Effective NAT with Automated Scheduling and Patch Management

#aws #cdk #100drillexercises #vpc

14 min read

TOMOAKI ishihara for AWS Community Builders

Dec 21 '25

AWS CDK 100 Drill Exercises #003: VPC Basics — From Network Configuration to Security

#aws #cdk #100drillexercises #vpc

13 min read

TOMOAKI ishihara for AWS Community Builders

Dec 9 '25

AWS CDK 100 Drill Exercises #002: IAM Basics —— Users, Roles, and Secure Password Management

#aws #cdk #100drillexercises #iam

9 min read

TOMOAKI ishihara for AWS Community Builders

Dec 7 '25

AWS CDK 100 Drill Exercises: Index & Progress (#001-#010)

#aws #cdk #devops #100drillexercises

3 min read

TOMOAKI ishihara for AWS Community Builders

Dec 7 '25

AWS CDK 100 Drill Exercises #001: S3 Bucket Fundamentals —— From Default Settings to Practical Customization

#aws #cdk #100drillexercises #s3

8 min read

TOMOAKI ishihara for AWS Community Builders

Nov 25 '25

Mastering AWS CDK #3 - AWS CDK Development: Best Practices and Workflow

#aws #cdk #iac #typescript

8 min read

TOMOAKI ishihara

Sep 10 '25

AI-Powered Code Reviews with OpenRouter - Complete PR-Agent Setup Guide

#github #ai #codereview #openrouter

5 min read

TOMOAKI ishihara for AWS Community Builders

Sep 10 '25

CloudFront ECDSA Signed URLs: 91% Faster Generation, 55% Shorter URLs

#aws #cloudfront #security #performance

4 min read

TOMOAKI ishihara for AWS Community Builders

Aug 27 '25

Prevent Wrong Account Operations — AWS Official Header Color Feature Now Available

#aws #tips

3 min read

TOMOAKI ishihara for AWS Community Builders

Jun 11 '25

AWS CDK Logical ID Deep Dive: How Adding One CloudFront Origin Broke My Entire AWS CDK Deployment

#aws #cdk #cloudfront #infrastructure

7 min read

TOMOAKI ishihara for AWS Community Builders

May 25 '25

Build Games with Amazon Q CLI and Get a Free T-shirt! 🏆👕

#aws #amazonqcli #amazonqdeveloper #pygame

7 min read

TOMOAKI ishihara for AWS Community Builders

Mar 31 '25

Mastering AWS CDK #2 - AWS CDK in Practice: Components, Commands, and Versions

#aws #cdk #iac #typescript

6 min read

TOMOAKI ishihara for AWS Community Builders

Mar 25 '25

Mastering AWS CDK #1 - Introduction to AWS CDK: Fundamentals and Benefits

#aws #cdk #iac #typescript

5 min read

TOMOAKI ishihara for AWS Community Builders

Mar 25 '25

Mastering AWS CDK #0: A Comprehensive Guide (Overview)

#aws #cdk #iac #typescript

3 min read

TOMOAKI ishihara

Mar 25 '25

Resolving PowerShell Text Input Issues on Windows Server 2022 EC2 via Fleet Manager

#aws #powershell #ec2 #troubleshooting

2 min read

TOMOAKI ishihara for AWS Community Builders

Mar 19 '25

Efficiently Managing AWS CLI Profiles Across Multiple Projects with PowerShell

#aws #powershell #devops #automation

5 min read

One Year Club

Writing Debut

AWS Community Builders

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