{ config, ... }: { nix.buildMachines = [ { hostName = "builder"; sshUser = "builder"; protocol = "ssh"; sshKey = config.age.secrets.ssh-remote-builder.path; systems = [ "x86_64-linux" ]; maxJobs = 1; supportedFeatures = [ "nixos-test" ]; } ]; nix.distributedBuilds = true; programs.ssh.extraConfig = '' Host builder User builder HostName vm-synology IdentityFile ${config.age.secrets.ssh-remote-builder.path} ''; }