Deploying on AWS Lambda: error Missing Authentication Token

Part 1 (2019)
1

Hello,
I tried to deploy my model to aws lambda following this guide
https://course.fast.ai/deployment_aws_lambda.html

but when i run;

curl -d "{\"url\":\"https://i.imgur.com/4uLOIXx.jpg\"}" \
    -H "Content-Type: application/json" \
    -X POST http://localhost:3000/invocations

I got an error :
{"message":"Missing Authentication Token"}

any help ?