sarek: initialize postgresql

hosts/sarek/services/postgresql.nix

@@ -0,0 +1,17 @@
+{ config, pkgs, lib, ... }:
+{
+  services.postgresql = {
+    enable = true;
+    enableTCPIP = true; # Expose on the network
+  };
+
+  services.postgresqlBackup = {
+    enable = true;
+    location = "/backup/postgresql/";
+    startAt = "*-*-* 03:15:00";
+    backupAll = true;
+  };
+
+
+  environment.systemPackages = [ config.services.postgresql.package ];
+}