TOMOAKI ishihara

My experience participating in the Cloud Vault CTF at Security-JAWS DAYS 10th Anniversary Day 2, where I tackled 27 AWS security challenges over 4 hours.

Learn how to build an event-driven data pipeline combining SQS, Lambda, and Firehose. Covers AWS Lambda Powertools ReportBatchItemFailures implementation, Dead Letter Queue design, and 8 essential CloudWatch Alarms for production operations.

Learn to automate cross-account VPC Peering with AWS CDK using Parameter Store and Custom Resources. Master CDK's cross-account limitations and implement secure network integration across AWS accounts.

Learn two approaches to manage CDK parameters: TypeScript files for type-safety and IDE support, or cdk.json for flexibility. Compare pros and cons, implement environment-specific configurations, and choose the right approach for your project.

Replace NAT Gateway with NAT Instance for 90% cost savings. Learn automated start/stop scheduling with EventBridge, patch management with Systems Manager, and trade-offs for production readiness.

Master VPC fundamentals with AWS CDK: learn subnet design, CIDR calculations, VPC endpoints, flow logs, and secure SSH access using Instance Connect Endpoint

Master IAM fundamentals with AWS CDK. Learn secure password management with Secrets Manager, switch roles with MFA, and understand how CDK translates to CloudFormation for identity and access management.

Track your progress through exercises #001-#010 of the AWS CDK 100 Drill Exercises series

Learn AWS CDK basics through S3 bucket implementation. Understand how CDK code translates to CloudFormation and master practical patterns for encryption, lifecycle rules, and versioning.

A new learning journey: 100 hands-on AWS CDK exercises to master Infrastructure as Code through deliberate practice

Learn effective patterns for organizing AWS CDK projects, managing stacks, and implementing best practices for infrastructure as code

Complete setup guide for automated AI code reviews using OpenRouter and PR-Agent (Qodo Merge). Learn how to integrate multiple AI models (GPT-4o, Claude, Gemini) through a unified API for cost-effective code quality improvement in GitHub PRs.

AWS CloudFront now supports ECDSA keys for signed URLs. Performance testing shows 91% faster generation and 55% shorter URLs compared to RSA.

AWS Management Console now officially supports header color customization to help distinguish between different accounts and prevent operational errors

How Amazon Q CLI implemented an entire web application and wrote this article - from conception to deployment, all automated

Learn how changing CloudFront origin order in AWS CDK can cause unexpected resource recreation and how to prevent it

I built a fully functional Puyo Puyo-style puzzle game using only Amazon Q CLI chat commands - no manual coding required! Learn how AI can revolutionize game development with this step-by-step guide. Plus, get a free T-shirt! 🎮✨

A deep dive into the core components of AWS CDK, essential commands, and version differences to help you build better cloud infrastructure

Learn about the AWS Cloud Development Kit (CDK), its key concepts, and why it's transforming infrastructure as code

An overview of our series exploring the AWS Cloud Development Kit (CDK) with a visual guide to key concepts, benefits, and components

A quick solution for fixing keyboard input problems in PowerShell when connecting to Windows Server 2022 EC2 instances through Fleet Manager

A practical PowerShell solution for managing AWS CLI credentials and config files across multiple projects