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Showing posts from October, 2018

Code versus Configuration

At Ethos we are building a distributed mortgage origination system and in mortgage there is a lot of
different user types with processes that vary depending on geography.  One of our ongoing discussions is about how much of the logic resides in code vs. being in a workflow system or configuration.  After researching this topic for a bit, I have arrived at a conclusion that the logic should live outside of code very infrequently, which might come as a surprise to a lot of enterprise software engineers.

Costs of configuration files and workflow engines First thing that I assume is true is that having any logic outside of the code has costs associated with it.  Debugging highly configurable system involves not only getting the appropriate branch from source control, you also need to make sure that the right configuration values or the database.  In most cases this is harder for programmers to deal with.  In many FinTech companies where the production data is not made readily accessible…