We have an extensive examples repository on github. Checkout github.com/micro/examples. Feel free to contribute or make changes and updates.
An example service with helloworld is the best place to get started.
The example service for the above guide can be found in examples/service.
End to End
If you want a complet end to end example have a look at the greeter service. This includes the backend service, api and web apps. It will also show you how to run the micro api and web services.