Your spouse will get a residence permit “vie privée et familiale”. He can live and work without needing a work permit. You need to apply for his residence permit / visa at the same time as yours.

I’ve lived in Ubud for 11 months over a period of three years. This business idea will not fly with the local community, nor will you get any approval from the governor of Bali. If you understood anything about their culture you wouldn’t even think of such a business endeavor. I don’t have the space to explain it over here. I strongly advise you to discuss your idea with a local professional.