From 975127a6940fd4d8c8d588c93f073b9b8e458ba4 Mon Sep 17 00:00:00 2001
From: j <j@842.be>
Date: Wed, 18 Mar 2026 22:00:02 +1300
Subject: [PATCH] Add Tailnet search domain to container DNS config

The custom dns servers added in 2d49dab caused Docker to drop the
Tailscale search domain from the container's resolv.conf, breaking
short hostname resolution (e.g. pb-dev). Adding dns_search with
TAILNET_DOMAIN restores it.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 infmap/docker-compose.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/infmap/docker-compose.yml b/infmap/docker-compose.yml
index a976869..89953b2 100644
--- a/infmap/docker-compose.yml
+++ b/infmap/docker-compose.yml
@@ -4,6 +4,8 @@ services:
     dns:
       - 100.100.100.100
       - 8.8.8.8
+    dns_search:
+      - ${TAILNET_DOMAIN}
     ports:
       - "${WEB_PORT}:5000"
     environment: