I want a special map for my next run. The best way will be a random map becouse i think from hand it will be a long build

What do i want?
-Ressourcec field only one or 2 field big butwith endles ressources. (if Endles is not possible then somethink like 3 or 5 Million)
-Enemys on the map small bases at startrt biger at the and but if not possible small but everywere
Can you help me? Can i give some better commands for map greation at the ingame map greation? Some kind of confic change?