Interesting, thanks. Have you added the additional Docker containers manually or are you using Docker Swarm etc. to automatically spin up and shut down new containers as needed? If not that might be worth looking into; e.g. also to not have unutilized containers running and eating up your budget.
There needs to be a Mozilla-like foundation that builds a competitive product platform for Fediverse that looks slick, is free of bugs, and matches any additional features that Threads might come up with