Commit API spec and design doc

docs/product/personas.md

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+# Elafros Personas
+
+When discussing user actions, it is often helpful to [define specific
+user roles](https://en.wikipedia.org/wiki/Persona_(user_experience)) who
+might want to do the action.
+
+
+## Elafros Compute
+
+### Developer Personas
+
+The developer personas are software engineers looking to build and run
+a stateless application without concern about the underlying
+infrastructure.
+
+* Hobbyist
+* Backend SWE
+* Full stack SWE
+* SRE
+
+User stories:
+* Deploy some code
+* Update environment
+* Roll back the last change
+* Debug an error in code
+* Monitor my application
+
+### Operator Personas
+
+* Hobbyist / Contributor
+* Cluster administrator
+* Security Engineer / Auditor
+* Capacity Planner
+
+User stories:
+* Create an Elafros cluster
+* Apply policy / RBAC
+* Control or charge back for resource usage
+* Choose logging or monitoring plugins
+
+
+## Elafros Build
+
+We expect the build components of Elafros to be useful on their own,
+as well as in conjunction with the compute components. 
+
+### Developer
+
+User stories:
+* Start a build
+* Read build logs
+
+### Language operator / contributor
+
+User stories:
+* Create a build image / build pack
+
+
+## Elafros Events
+
+Event generation and consumption is a core part of the serverless
+(particularly function as a service) computing model. Event generation
+and dispatch enables decoupling of event producers from consumers.
+
+## Event consumer (developer)
+
+User stories:
+* Determine what event sources are available
+* Trigger my service when certain events happen (event binding)
+* Filter events from a provider
+
+## Event producer
+
+User stories:
+* Publish events
+* Control who can bind events
+
+
+## Contributors
+
+Contributors are an important part of the Elafros project. As such, we
+will also consider how various infrastructure encourages and enables
+contributors to the project, as well as the impact on end-users.
+
+* Hobbyist or newcomer
+* Motivated user
+* Corporate (employed) maintainer
+* Consultant
+
+User stories:
+* Check out the code
+* Build and run the code
+* Run tests
+* View test status
+* Run performance tests
+