this post was submitted on 21 Jun 2023
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We are considering using C4 for our architecture diagrams. Many diagramming tools (including Structurizr which was developed specifically for it) support C4. I wonder if there are others that use it and I would like to hear your experiences.

My initial assessment is as follows:

Pros

  • Diagram as code is a great way to keep things open to change.
  • It allows for better versioning
  • It enforces semantics into the diagrams. Instead of just thinking in terms of boxes and arrows, one need to dig deeper

Cons

  • It has a relative steep learning curve (one needs to study the DSL even though the end result is just boxes and arrows)
  • The tooling is not perfect. One needs to run a docker container to be able to navigate within the diagram (solution: there is also a SaaS offering)
  • Its view of architecture is somewhat limiting. It doesn't seem to be catered for augmenting the diagrams with other forms of diagrams (flowcharts, etc.) or text.
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[–] nibblebit 2 points 1 year ago

Yeah for us, mermaid has been great to through in a documentation git repo and keep some consistencies. But 90% of the utility of a diagraming system is easily being able to draw something on a whiteboard with an almost empty marker and be halfway understood