[0x457]

Plot twist, my build.sh invokes nix build and all I have to do on CI is to install nix and setup caching.

[octopoc]

Double plot twist, I need to VPN into a remote network and now all the CI network activity goes through the VPN as well, and some of it gets blocked (true story)

[__MatrixMan__]

Your builds depend on the consistent behavior of remote servers? That sounds like a recipe for disaster.