Just as a note, I’ve tried Docker #1 (i.e. Sam’s GitHub readme file) on top of a fresh $5 DigitalOcean VPS (the smallest one). Watching htop: ~80% of the time my CPU is 100% busy with sidekiq, memory usage 450MB out of 490MB. Is this because of Docker or just because of the nature of the environment Discourse is built on? (i.e. ruby, so there is just some minimal requirement that should be always met no matter whether any kind of virtualization is used or not).