Signature expired: is now earlier than error : InvalidSignatureException

Question

I am trying a small example with AWS API Gateway and IAM authorization. The AWS API Gateway generated the below Endpoint :

https://xyz1234.execute-api.us-e         


        

Answer 1

For those who face this issue while running Lambda functions (that use other AWS services like DynamoDB) locally with sam local invoke: The time in docker container, used by sam, may not be in sync with host. Restarting your docker on host (Docker Desktop on Windows) should resolve this issue.