♻️ consolidate nix configs

nix/modules/coredns/default.nix

@@ -0,0 +1,45 @@
+{ config, lib, ... }:
+with lib;
+
+let cfg = config.walkah.coredns;
+in
+{
+  options.walkah.coredns = {
+    enable = mkEnableOption "";
+    addr = mkOption {
+      type = types.str;
+      default = "0.0.0.0";
+      example = "192.168.6.1";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.coredns = {
+      enable = true;
+      config = ''
+        . {
+          bind 127.0.0.1
+          bind ${cfg.addr}
+          prometheus ${cfg.addr}:9153
+          log
+          errors
+          cache
+          dnssec
+          forward . tls://1.1.1.1 tls://1.0.0.1 {
+            tls_servername cloudflare-dns.com
+          }
+        }
+
+        walkah.lab {
+          bind ${cfg.addr}
+          file ${./walkah.lab.zone}
+        }
+      '';
+    };
+
+    networking = {
+      nameservers = [ "127.0.0.1" ];
+      search = [ "walkah.lab" ];
+    };
+  };
+}

nix/modules/coredns/walkah.lab.zone

@@ -0,0 +1,19 @@
+$ORIGIN walkah.lab.
+@       3600 IN SOA plato.walkah.lab. walkah.walkah.net. (
+        2023091000 ; serial
+        7200       ; refresh (2 hours)
+        3600       ; retry (1 hour)
+        1209600    ; expire (2 weeks)
+        3600       ; minimum (1 hour)
+)
+
+socrates        IN A    100.103.57.96
+plato           IN A    100.111.208.75
+; aristotle
+agent           IN A    100.95.167.126
+form            IN A    100.87.220.71
+matter          IN A    100.126.255.109
+purpose         IN A    100.74.59.80
+
+parthenon       IN A    100.106.65.39
+epicurus        IN A    100.66.26.116