Ask HN: Reading Material for Deployment Techniques?

Initially I had a hard time understanding what a reverse proxy setup is. Eventually I got over that. I recently came across port forwarding on ssh and ansible. Together they allow me to spin up a vpn easily for systems which need multiple services running. Is there a book for these kinds of tools/techniques etc. Something that talks about once you have a PoC, what are some standard ways of getting it into production.