Coffee Pot … or Pod?

The first section concerns the development of a coffee machine in a Docker image. Note that we’ll be ultimately running the pot in a Kubernetes pod.

Not implemented here

The development of the coffee machine is not currently included here. For the time being, it can be given as a prerequisite exercise for participants to bring their own coffee machine. Any such solution must follow the criteria below.

Coffee pod

  • Docker image exposing the coffee API according to specs

  • Errors on job start

    Response Code

    Message

    503

    Machine busy

  • Errors on job retrieval

    Response Code

    Message

    503

    Job not ready

    404

    Job unknown

    410

    Job already retrieved

  • The prometheus metrics should be

    # HELP coffee_machine_status The system status 0=idle,1=brewing,2=blocked or other.
# TYPE coffee_machine_status gauge
coffee_machine_status 0