https://vaadin.com/learn/tutorials/ddd/strategic_domain_driven_design
https://github.com/ddd-crew/context-mapping
https://medium.com/ingeniouslysimple/context-mapping-in-domain-driven-design-9063465d2eb8
https://github.com/ddd-crew/domain-message-flow-modelling
https://medium.com/raa-labs/part-1-domain-driven-design-like-a-pro-f9e78d081f10
https://contextmapper.org/docs/home/
https://twitter.com/kennybastani/status/761022769265909760