Cron on AWS Lambda: Schedule With EventBridge
Schedule AWS Lambda functions using EventBridge cron and rate expressions. Set up IAM permissions, handle cold starts, and monitor invocation logs.
Published:
Tags: developer-tools, cron, aws-lambda
Cron on AWS Lambda: Schedule Functions With EventBridge Rules Scheduled Lambda functions are one of the most common serverless patterns — nightly reports, data sync jobs, cleanup tasks. AWS EventBridge (formerly CloudWatch Events) is the mechanism that fires them. This guide covers everything from creating your first rule to monitoring failures in production. How EventBridge Scheduled Rules Work EventBridge acts as a cron daemon in the cloud. You define a rule with a schedule expression, specify a Lambda function as the target, and AWS handles the rest. The rule invokes your function asynchronously — EventBridge does not wait for a response, and your function's return value is discarded. Each invocation delivers an event object to your handler: The field reflects the scheduled invocation…
All articles · theproductguy.in