From 22ed8fff6e30213b127f900504e2b905a35315c7 Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Sun, 21 May 2023 09:41:32 +0200
Subject: [PATCH] hosts/mail-2: enable IPv6 in docker

---
 hosts/mail-2/mailcow.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/hosts/mail-2/mailcow.nix b/hosts/mail-2/mailcow.nix
index 6706bf2..30223fe 100644
--- a/hosts/mail-2/mailcow.nix
+++ b/hosts/mail-2/mailcow.nix
@@ -1,10 +1,20 @@
 { pkgs, ... }:
 
 {
-  virtualisation.docker.enable = true;
+  virtualisation.docker = {
+    enable = true;
+    daemon.settings = {
+      # make sure IPv6 is enabled, else there will be long loading times everywhere
+      ipv6 = true;
+      fixed-cidr-v6 = "fd00:dead:beef:c0::/80";
+      experimental = true;
+      ip6tables = true;
+    };
+  };
 
   environment.systemPackages = with pkgs;  [
     docker-compose
     openssl
   ];
+
 }