I like NameCheap to buy domains but usually use Cloudflare for DNS records

Officially https://join-lemmy.org/docs/administration/install_docker.html

There is also this https://github.com/ubergeek77/Lemmy-Easy-Deploy/tree/main

I rolled my own docker-compose.yml because I host other services using Caddy as well

neovim but prefer to debug in vscode