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nix-configuration/modules/services/cache.nix

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Nix

# Serves a binary cache for Nix packages
{ config, lib, ... }:
let
cfg = config.host.services.cache;
in
{
options = {
host.services.cache = {
enable = lib.mkEnableOption (lib.mdDoc "Enables binary cache hosting.");
secretKeyFile = lib.mkOption {
default = "/var/cache-priv-key.pem";
type = lib.types.str;
description = "Where the signing key lives.";
};
};
};
config = lib.mkIf cfg.enable {
services = {
nix-serve = {
enable = true;
secretKeyFile = cfg.privateKeyFile;
};
nginx.virtualHosts."${config.secrets.services.cache.url}" = {
useACMEHost = config.secrets.networking.primaryDomain;
forceSSL = true;
locations."/" = {
proxyPass = "http://${config.services.nix-serve.bindAddress}:${toString config.services.nix-serve.port}";
extraConfig = "proxy_ssl_server_name on;";
};
};
};
};
}