Try goms (https://github.com/artpar/goms https://github.com/artpar/goms) These type of softwares are now increasingly known as BAAS - Backend as a service. You

Try goms (https://github.com/artpar/goms https://github.com/artpar/goms) These type of softwares are now increasingly known as BAAS - Backend as a service. You can also find other similar products on the github readme. This is still in development, and I am using this as backend for two of my other projects. The goals are similar to what you have written, plus more.