Lambda_EN– tag –
-
Trigger an image upload to S3 invokes Lambda function to create thumbnails
【Triggering an image upload to an S3 bucket and invoking a Lambda function to create a thumbnail】 One of the functions provided by S3 is the event notification feature. You can use the Amazon S3 Event Notifications feature to receive n... -
Enable DynamoDB expiration time (TTL) using CFN
【Enable DynamoDB expiration time (TTL) using CloudFormation】 One of the features of DynamoDB is TTL. Amazon DynamoDB Time to Live (TTL) allows you to define a per-item timestamp to determine when an item is no longer needed. Shortly af... -
Upload/download files to/from S3 with Presigned URL
【Upload/download files to/from S3 with Presigned URL】 One of the features S3 offers is presigned URLs. you can use a presigned URL to optionally share objects or allow your customers/users to upload objects to buckets without AWS secur... -
Accessing DynamoDB Accelerator (DAX) with EC2/Lambda
【Accessing DynamoDB Accelerator (DAX) with EC2/Lambda】 This is one of the AWS SAA topics related to designing a high-performance architecture. DynamoDB Accelerator (DAX) is a caching service for DynamoDB. Amazon DynamoDB Accelerator (D... -
Initial setup of DynamoDB with CFN custom resources
【Perform initial setup of DynamoDB with CloudFormation custom resources】 When creating DynamoDB with CloudFormation, we will consider adding test records as part of the DB initialization. In this case, we will use a CloudFormation cust... -
Email notification of EventBridge event data via SNS
【Email notification of EventBridge event data via SNS】 The following page shows how to invoke Lambda functions from EventBridge. https://awstut.com/en/2022/12/05/integrating-two-lambda-functions-using-eventbridge-en In this article, we... -
Invoking Lambda from SNS
【Invoking Lambda from SNS】 The following pages address social networking. https://awstut.com/en/2022/07/30/introduction-to-sns-with-cfn-email-en In the above page, we specified an email address as the subscriber. This time, we will che... -
Integrating two Lambda functions using EventBridge
【Integrating two Lambda functions using EventBridge】 EventBridge is a fully managed event bus service. Amazon EventBridge is a service that provides real-time access to changes in data in AWS services, your own applications, and softwa... -
Deliver S3 content via CloudFront using OAC
【Restricting access to origin with OAC when delivering S3 content from CloudFront】 The following page shows how to use OAI to restrict access to origin when delivering S3 bucket content from CloudFront. https://awstut.com/en/2022/05/16... -
Step Functions – Conditional branching using Choice State
【Step Functions - Conditional branching using Choice State】 This section is about refactoring, which is the scope of the AWS DBA. The following page covers the basics of Step Functions. https://awstut.com/en/2022/06/18/introduction-to-...
