Radical Simplicity in Technology
radicalsimpli.city
radicalsimpli.city
But I like the sentiment with this, and it does seem advantageous to get used to reforging new systems every so often when you reach a certain threshold of demand, rather than spending all your money on building the perfect foundation of a building you might not be able to finish.
https://www.forbes.com/sites/nathanfurr/2011/09/02/1-cause-o...
I think you can use what you want, as long as it's not a dozen moving parts - meaning several databases. Postgres has the benefit of good caching, good pub/sub, good Json document support, basic but often good enough fulltext search and a good columnar store with TimescaleDB.