Serverless is a cloud computing execution model where the cloud provider dynamically manages the allocation and provisioning of servers.
A serverless application runs in stateless compute containers that are event-triggered and fully managed by the cloud provider. Pricing is based on the number of executions rather than pre-purchased compute capacity
Spring Cloud Function is a new project from the Spring team at Pivotal that aims to promote the function as the primary unit of development work
Serverless computing is a cloud-computing execution model in which the cloud provider runs the server, and dynamically manages the allocation of machine resources. Pricing is based on the actual amount of resources consumed by an application, rather than on pre-purchased units of capacity. Products like Google Function,AWS Lambda,Azure Function are available in market and tons of application are running using these products.