IBM Cloud Serverless

"cloud as a supercomputer (mainframe)" 

Episode #85: Serverless at IBM with Michael Behrendt - Serverless Chats Podcast

IBM Cloud Code Engine: https://ibm.biz/codeengine

Cloud Functions: https://cloud.ibm.com/functions/ 

IBM Cloud Functions Tutorial: https://cloud.ibm.com/functions/

IBM Cloud Code Engine Getting Started: https://cloud.ibm.com/docs/codeengine?topic=codeengine-getting-started

IBM Cloud Free Tier: https://www.ibm.com/cloud/free

Can I run my apps for free?
Yes. With a Lite account, you get 256 MB of free runtime memory per month for your Cloud Foundry apps. You can also build and deploy with any Lite plan service at no cost, ever.