So it's always going to be used for technical things, but not necessarily development things. I use it for both.
For my home server setup I have docker setup like this:
A VPN docker container
A transmission (bittorrent client) container, using the VPN's network
An nginx (web server) container, which provides access to the transmission container
A 3proxy socks proxy container, using the VPN's network
A tor client container
A 3proxy socks proxy container, using the tor container's network
Usually it's pretty hard to say "these specific programs and only these should run over my VPN". Docker makes that easy. I can just attach containers to the same network as my VPN container, and their traffic will all go over the VPN. And then with my socks proxies I can selectively put my browser traffic over either the VPN or Tor, using extensions like FoxyProxy. I watch wrestling through my vpn because it's cheaper overseas and has better streaming options, so I have those specific sites set to route through my VPN socks proxy. And I have all onion links set to go through my Tor proxy.