miruky

AWS-focused Infrastructure Engineer Hi, I’m miruky. I write technical articles mainly about AWS, AI, and security. Feel free to check them out.

japan,tokyo Joined on May 21, 2026 https://qiita.com/

miruky

Sep 21

Build a DynamoDB Outbox and an Idempotent SQS Consumer in the Console

#aws #serverless #dynamodb #tutorial

17 min read

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miruky

Sep 20

Query Structured Lambda Logs by a Nested JSON Field

#aws #lambda #cloudwatch #tutorial

8 min read

miruky

Sep 19

From Prompt to Graph Engineering, Explained With One Bug

#ai #programming #tutorial #python

23 min read

miruky

Sep 19

Jev Does Not Replace the LLM. It Changes Who Owns the Decision

#programming #ai #llm #architecture

10 min read

miruky

Sep 19

Detect CloudFormation Drift After a Console Change

#aws #cloudformation #s3 #tutorial

7 min read

miruky

Sep 18

Prove That S3 Bucket Owner Enforced Disables Object ACLs

#aws #s3 #security #tutorial

6 min read

miruky

Sep 17

Verify an Amazon S3 Object Checksum from the AWS Console

#aws #s3 #cloud #tutorial

7 min read

miruky

Sep 16

Prove an Explicit Deny with the IAM Policy Simulator

#aws #iam #security #tutorial

5 min read

miruky

Sep 15

Query a DynamoDB Table by an Alternate Key with a Global Secondary Index

#aws #dynamodb #database #tutorial

6 min read

miruky

Sep 14

Route Step Functions Input with a Choice State and No Lambda

#aws #stepfunctions #serverless #tutorial

8 min read

miruky

Sep 13

Move a Lambda Alias Between Two Published Versions

#aws #lambda #serverless #tutorial

7 min read

miruky

Sep 12

Watch an Amazon SQS Delay Queue Hold a Message Before Delivery

#aws #sqs #eventdriven #tutorial

6 min read

miruky

Sep 11

Test an EventBridge Event Pattern Before Creating a Rule

#aws #eventbridge #serverless #tutorial

5 min read

miruky

Sep 10

Why an SQS Message Reappears Immediately in the AWS Console

#aws #sqs #messaging #tutorial

5 min read

miruky

Sep 9

Compare Raw and Wrapped Amazon SNS Messages in Amazon SQS

#aws #sns #sqs #tutorial

6 min read

miruky

Sep 8

Trigger AWS Lambda from DynamoDB Streams in the AWS Console

#tutorial #aws #dynamodb #lambda

12 min read

miruky

Sep 7

Build a Lambda-Free Mock REST API with Amazon API Gateway

#aws #apigateway #restapi #tutorial

7 min read

miruky

Sep 6

Find One Failed Lambda Invocation with CloudWatch Logs Insights

#aws #lambda #cloudwatch #tutorial

7 min read

miruky

Sep 5

Transform an EventBridge Event Before It Reaches Amazon SQS

#aws #eventbridge #sqs #tutorial

8 min read

miruky

Sep 4

Prove FIFO Deduplication in Amazon SQS from the AWS Console

#aws #sqs #eventdriven #tutorial

6 min read

miruky

Sep 3

Trace a Lambda Invocation with AWS X-Ray

#aws #lambda #xray #observability

7 min read

miruky

Sep 2

Alarm on an Amazon SQS Backlog with CloudWatch

#aws #sqs #cloudwatch #tutorial

7 min read

miruky

Sep 1

Send Amazon S3 Object-Creation Events to Amazon SQS

#s3 #sqs #tutorial #aws

8 min read

miruky

Aug 31

Catch and Recover from a Failed AWS Step Functions Task

#aws #stepfunctions #serverless #tutorial

7 min read

miruky

Aug 30

Reject a Schema-Invalid JSON Body Before API Gateway Calls a Backend

#aws #apigateway #serverless #tutorial

7 min read

miruky

Aug 29

Prevent a Stale DynamoDB Update with a Conditional PartiQL Statement

#aws #dynamodb #database #tutorial

6 min read

miruky

Aug 28

Test an AWS Lambda Function with a Private Console Event

#aws #lambda #serverless #tutorial

5 min read

miruky

Aug 27

Find Who Deleted an AWS Resource with CloudTrail Event History

#tutorial #aws #cloudtrail #security

5 min read

miruky

Aug 26

Roll Back a Systems Manager Parameter with Version History

#aws #systemsmanager #parameterstore #tutorial

5 min read

miruky

Aug 25

Run a One-Time EventBridge Schedule That Deletes Itself

#aws #eventbridge #sqs #tutorial

6 min read

miruky

Aug 24

Fan Out and Filter Amazon SNS Messages to Two Amazon SQS Queues

#aws #sns #sqs #tutorial

7 min read

miruky

Aug 23

Fix an Over-Permissive IAM Policy with Access Analyzer Validation

#aws #iam #security #tutorial

6 min read

miruky

Aug 22

Recover a Deleted Amazon S3 Object with Versioning from the AWS Console

#aws #s3 #tutorial #cloud

7 min read

miruky

Aug 21

Redrive an Amazon SQS Dead-Letter Queue from the AWS Console

#aws #tutorial #sqs #serverless

6 min read

miruky

May 26

A Field Guide to AWS CI/CD: CodeBuild, CodeDeploy, and CodePipeline End to End

#aws #devops #cicd #tutorial

27 min read

miruky

May 21

A Roundup of Engineering “Laws” from the English-Speaking World That Are Surprisingly Well-Known in Japan

#programming #softwareengineering #career #beginners

21 min read

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