Yes, OVH is cheaper than DO by a factor of 3 if you compare the minimum acceptable level for running Discourse, but it’s not a “dedicated Docker-level hosting” and you get a barebone Linux install like anywhere else.
If your community is small and having spent 40$ instead of 120$ will make a difference for you at the end of the year, then go for it without hesitation.
I’ll second @codinghorror though, the maintenance tasks are really a rare need with Discourse in general.