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Comment by roncesvalles

Also, the single most nonsensical reason that people give for doing microservices is that "it allows you to scale parts of the application separately". Why the fuck do you need to do that? Do you scale every API endpoint separately based on the load that it gets? No, of course not. You scale until the hot parts have manageable load and the cold parts will just tag along at no cost. The only time this argument makes sense is if one part is a stateless application and the other part is a database or cache cluster.

Microservices make sense when there are very strong organizational boundaries between the parts (you'd have to reinterview to move from one team to the other), or if there are technical reasons why two parts of the code cannot share the same runtime environment (such as being written in different languages), and a few other less common reasons.

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