This is my experience too. I only buy Hue bulbs based on my experience this far. They just work.

Honestly sounds like you need a new hot water heater. It should be keeping the temp through same, whether recently used or not. If shower is far away from hot water heater, a recirculation pump may help.

Have a look at a jabber server. But it sounds like there may be some connectivity issue or bandwidth limitations, I’ve got a whole team on discord and we seldom have had an issue. During COVID we used the streaming to watch movies together.

Thanks for sharing. One can also run a ghost instance locally (e.g. docker) and use a script called gssg (GitHub) to export it as a static site and sync it to a S3 bucket. Costs $0.51US per month to host a brochure site on S3 behind CloudFront.