anchor.diff:  
   It does not seek to replace or abstract Docker.
   
  -To start using SimplePaaS, install Docker.
  +To start using SimplePaaS, install Docker and the unix utility, socat.
   
   Build the SimplePaaS images into your local image repo.
   
  
positive.code: build.sh
  ```
  
  Once that is done, you can  then begin to add SimplePaaS functionality, incrementally.
  
  To get a basic SimplePaaS system, install :-
  
  * Switch
  * Container API
  
  These components allow you to take existing Docker images, as normal, and securely deploy them to 
  the local Docker with declarative Service Injection, via the API.
  
  See ContainerAPI below for information on Service Injection.
  
  [use a restartable ambassador container to forward the traffic to the correct final point]
  
  ## Component Structure
  
  
negative.code: RUN         apt-get update
  RUN         apt-get -y install redis-server
  EXPOSE      6379
  ENV PROVIDES redis:6379
  ENTRYPOINT  ["/usr/bin/redis-server"]
  ```
  
  This service indicates to the managing SimplePaaS components that it *provides* the redis capability, running on port 6379.
  This information will be used by platform to permit declarative service wiring and checking of runtime links between containers
  
  