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A comment on Building an interface (even if there's only one implementation) is always right. Parent comment

Re:Building an interface (even if there's only one implement... by durazabu on Wednesday May 25, 2022 @11:06PM (#31513930)
Yes, you go further than 12 factors with my favorite point of the article:

> It’s much better to have a DataBackend that has implementations like Postgres14DataBackend and MySQL8DataBackend rather than just changing the driver: 'postgres' to driver: 'mysql' in some configuration file.

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