I'm pretty sure, every try to solve all development and maintenance problems in single software will always fail. And also asking "How to do X with Y?" is bad.

I'm pretty sure, every try to solve all development and maintenance problems in single software will always fail. And also asking "How to do X with Y?" is bad. "How can you ensure zero points of failure?" is the right question not "How does PostgreSQL help you ensure zero points of failure?".