2022– date –
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Connect to RDS from Lambda in VPC via RDS Proxy
【Connect to RDS from Lambda in VPC via RDS Proxy】 Consider a configuration where Lambda is deployed in a VPC and connects to RDS.When accessing RDS from Lambda, it is best practice to connect via RDS Proxy rather than directly. Many ap... -
CloudFront Geographic Restriction
【CloudFront Geographic Restriction】 This page is also one of the AWS SAA's topics on designing secure applications and architectures. We will review one of CloudFront's features, geo-restriction. If you need to prevent users in specifi... -
Three ways to extend EBS attached to EC2(Linux/Win)
【Extending Attached EBS】 One of the topics covered in AWS SOA is deployment, provisioning, and automation.We will review how to extend an EBS attached to an EC2 instance. We will review the following three patterns accessing and expand... -
Change Permission for Guest/Sign-in users in Cognito ID Pool
【Change Permission for Guest/Sign-in users in Cognito ID Pool】 The Cognito ID pool can generate temporary credentials for unauthenticated guest users in addition to authenticated users.In this case, we will check a configuration that g... -
5 patterns of OAuth scopes for Cognito User Pool
【5 patterns of OAuth scopes for Cognito User Pool】 By default, the following OAuth scopes can be used to specify the scope of privileges to be granted when configuring the app client for the Cognito user pool. phone email profile openi... -
Authorization by Cognito ID Pool after Authentication by User Pool – Authorization grant code ver
【Authorization by Cognito ID Pool after Authentication by User Pool - Authorization grant code ver】 In the following page, we have confirmed a configuration that uses Cognito user pool and identity pool, and OAuth flow grants the signe... -
Using AWS SDK for JavaScript v3 in Browser
【Using AWS SDK for JavaScript v3 in Browser】 When developing Web applications using AWS, the best practice is to use the AWS SDK for JavaScript.The SDK is available in two versions: v2 and v3.In this article, we will review how to deve... -
Read Replica and Endpoints of Aurora Cluster
【Read Replica and Endpoints of Aurora Cluster】 This course is about designing a high-performance architecture, which is one of the topics covered by AWS SAA.We will create an Aurora read replica and check the behavior of the Aurora end... -
Amazon Linux 2 How to Connect to RDS – ALL Engines
【How to connect to all RDS DB engines from Amazon Linux 2】 As of 2022, RDS offers the following seven DB engines aurora(PostgreSQL) aurora(MySQL) PostgreSQL MySQL MariaDB Oracle Microsoft SQL Server In this article, we will check how t... -
Create yum Repository in S3 and Access from Private Subnet
【Accessing original yum repository on S3 from Amazon Linux 2 in a private subnet】 For Amazon Linux (2), yum can be run from a private subnet by referencing an Amazon Linux repositories built on an S3 bucket. Amazon Linux repositories a...
