Flake for secret manager, needs review

Link to setec-nix repository Hi all! I’m getting started learning how to package for nix, I’ve made a package and nixos module for setec, a Tailscale secrets manager. But because secrets management is something you really need to know your stuff for, I should probably not be the one evaluating if how it’s packaged is secure (I’m a noob). If someone with some experience could help validate the work and help me understand what would need to be done in order to properly maintain something securit...