How about don't go with a microservice arch. Nothing wrong with tried and true monolith Django, Rails, or [your favorite stack]. In fact, sounds like this is

How about don't go with a microservice arch. Nothing wrong with tried and true monolith Django, Rails, or [your favorite stack]. In fact, sounds like this is your first time out, in which case I would absolutely recommend minimizing the headache and complexity and go with a simple monolithic stack. [insert rant about premature optimization] In any case, build your SaaS, go backpacking. Both invaluable experiences.