Upgrade ghost on an ec2 host
The ghost version changelog: https://gist.github.com/kirrg001
Export content from https://blog.example.com/ghost/#/settings/labs, just in case. I'm using mysql on the backend and haven't needed this yet, but, it's nice to have a data backup regardless.
Upgrade to the latest npm, ghost-cli, and knex-migrator:
npm i -g npm