@coderbyheart complexity. And resolving the
actual configuration in your IDE is also no longer trivial and highly framework
specific.

@coderbyheart blocks in one location is nice
but you add new configuration semantics on top of your languages "module"
loader, which adds

@coderbyheart since then with a lot of
separate libraries but a DI container/framework is no longer on my wishlist.
Defining your building

@coderbyheart if your code is S.O.L.I.D, the
D makes sure you can test your modules without a DI container. I've made fairly
complex apps