FastAPI is an asynchronous Python framework that improves the concurrent processing ability of I/O-intensive tasksFastAPI uses asynchronous I/O via coroutines and event loops, allowing threads to pause when encountering I/O operationsFastAPI is ideal for I/O-intensive back-end development and can greatly enhance concurrent processing capabilitiesUsing FastAPI for back-end development can improve concurrent processing ability over Java + SpringLeapcell is a cloud computing platform designed specifically for modern distributed applicationsLeapcell offers pay-as-you-go pricing, meaning users only pay for the resources they actually useThe platform supports JavaScript, Python, Go, or Rust for developmentLeapcell's platform offers simple developer experience and automated CI/CD pipelines and GitOps integrationLeapcell provides effortless scalability and high performance, handling high concurrency with easeLeapcell's pay-as-you-go pricing model guarantees unmatched cost-effectiveness and no idle charges