create docker compose file

[avelino]

Write docker file compose with all dependencies to upload pREST server - simplify and document use for new collaborators

• based on the code (development, can be via go run and source mount volume)
• based on the docker image (production)

related #388

[fabriziomello]

@avelino we have a docker-compose.yml already so what's the point here?

IMHO for a better user experience we should create a separate repository with a complete demo... something like a tutorial.

[avelino]

@fabriziomello compose was not working (so I opened this issue), correction in the PR mentioned above