command line tool can be exposed 3. not limited to 300 seconds as with Lambda 4. Run it wherever you want(rpi) 5. Get used to Kubernetes gradually 6. Tool to learn new language Source : https://assist-software.net/blog/pros-and-cons-serverless-computing-faas-comparison-aws-lambda-vs-azure-functions-vs-google
async call(using a que like NATS), https://github.com/openfaas/faas/blob/1aa6270fcc274cc36d90e0a9e4caa3eb 71912ae0/guide/asynchronous.md#call-a-function