How to Implement Exactly-Once Processing in AWS Lambda and SQS
You rely on Amazon SQS standard queues for their high throughput and near-unlimited scaling. However, these queues guarantee at-least-once delivery,…
Securing AWS Lambda Egress with VPC and NAT Gateway
By default, AWS Lambda functions execute in an AWS-managed VPC with no ability to access resources inside your private VPCs or specific internet end…
Achieve Sub-Millisecond Cold Starts with Rust on AWS Lambda
Serverless applications often struggle with high latency during initialization, commonly known as a "cold start." When a request hits you…
Fixing AWS Lambda 504 Gateway Timeout Errors
You triggered an AWS Lambda function via API Gateway, but your client receives a 504 Gateway Timeout error after 29 seconds. This happens because A…