What you've just described is a proper micro service architecture. Which is basically a more minimalist and opinionated form of SOA. Nothing wrong with wanting

What you've just described is a proper micro service architecture. Which is basically a more minimalist and opinionated form of SOA. Nothing wrong with wanting to avoid dependencies. Good programmers try to avoid dependencies and coupling, especially to third party products, all the time. Service buses like Rabbit are cool n' all but sometimes you don't need the complexity.