SST
Build serverless apps. Set breakpoints and test your functions locally
... application runs on that server and we are responsible for provisioning and managing the resources for it. The sst start command starts up a local development environment that opens a WebSocket connection to your deployed app and proxies any Lambda requests to your local machine. Supports all Lambda triggers, so there's no need to mock API Gateway, SQS, SNS, etc. Supports real Lambda environment variables and Lambda IAM permissions.