The level of coupling should reflect the level of investment you're willing to make in a technology. Im also pretty happy to couple to postgres but if im worki

The level of coupling should reflect the level of investment you're willing to make in a technology. Im also pretty happy to couple to postgres but if im working with mongo id always like an abstraction layer to let me swap out mongo one day. Ive only once wanted an abstraction layer to swap out postgres and that's because i was forced to use azure and azure postgres appeared to be deliberately crippled in order to encourage people to switch to ms sql server.