3 ways to invoke AWS Lambda synchronously

AWS Lambda is well known for the amazing scalability and extremely easy integrations with the AWS cloud native event producers, i.e. SQS, SNS, CloudWatch just to mention a few. However, there is another interesting aspect of it — invoking AWS Lambda synchronously, for example running a RESTful API.

Continue reading 3 ways to invoke AWS Lambda synchronously

No RegionEndpoint or ServiceURL configured

I was setting up Amazon SQS client locally, and received No RegionEndpoint or ServiceURL configured exception. My goal was to load all AWS config values from environment variables together with a temporary session token, however I will go trough config file option as well. Apparently region value was not picked up by the Amazon SQS client.

Continue reading No RegionEndpoint or ServiceURL configured