This kind of post (Postgres! It's all you need!) is getting pretty tiresome. Postgres does not even come close to a full replacement for Elastic, and that's just the first bullet.
Looking down the list it is pretty easy to go: Yes, postgres can be used instead of that for extremely basic use cases, but it all goes out the window you actually need any of the power of these other tools.
Looking down the list it is pretty easy to go: Yes, postgres can be used instead of that for extremely basic use cases, but it all goes out the window you actually need any of the power of these other tools.