JHB의 삽질 이야기

docs.aws.amazon.com/general/latest/gr/aws-ip-ranges.html AWS IP address ranges - AWS General Reference AWS IP address ranges Amazon Web Services (AWS) publishes its current IP address ranges in JSON format. To view the current ranges, download the .json file. To maintain history, save successive versions of the .json file on your system. To determine whethe docs.aws.amazon.com 위 사이트에 가면 AWS 서비스들..

medium.com/hackernoon/safe-list-updates-with-dynamodb-adc44f2e7d3 Safe List updates with DynamoDB Amazon DynamoDB is one of the most versatile and popular services on AWS. In seconds, we can deploy a highly available, dynamically scaling… medium.com DynamoDB를 쓰다보면 Race Condition을 조심해서 다루어야 할 때가 많다. 위 글을 참고해서 이러한 문제를 어떻게 해결하는지 살펴보자