Amazon S3 to AWS Lambda | Serverless Land

Amazon S3 → AWS Lambda function → Amazon S3

Upload large file to S3 buckets with custom resources.

This pattern creates two S3 buckets and a Lambda function using SAM and Java 11.

git clone https://github.com/aws-samples/serverless-patterns/cd serverless-patterns/s3-lambda-s3-sam-java

sam deploy --guided

See the GitHub repo for detailed testing instructions.

1. Delete the stack: sam delete --stack-name STACK_NAME.

2. Confirm the stack has been deleted: aws cloudformation list-stacks --query "StackSummaries[?contains(StackName,'STACK_NAME')].StackStatus"

Software Architect.