Starbases are best used for trade and trade protection and production bonuses (deep space black site for important systems) and only the rest for anchorages. With one or more ecumenopoli you can then make the remaining worlds basic resource worlds with some research labs and one or more fortresses. The soldier jobs should give you more than enough fleet cap.
The important thing in 2.2.X is to redevelope your worlds according to you empire evolution. Planets are often not "finished" for the whole game, even if they are full at one point.
The important thing in 2.2.X is to redevelope your worlds according to you empire evolution. Planets are often not "finished" for the whole game, even if they are full at one point.