From e82322ebcf9a3935f18050bf572475a98fb24bbf Mon Sep 17 00:00:00 2001
From: Ken Schiano <w4itey@gmail.com>
Date: Sat, 8 Aug 2026 07:43:51 -0400
Subject: [PATCH] Revert "fix: symlink /etc/dns to /config/dns at build time,
 drop entrypoint"

This reverts commit ed54778a0d75a3dd864c8766d671076793365d94.
---
 technitium_dns/Dockerfile    |  9 +++++----
 technitium_dns/config.yaml   |  2 +-
 technitium_dns/entrypoint.sh | 22 ++++++++++++++++++++++
 3 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 technitium_dns/entrypoint.sh

diff --git a/technitium_dns/Dockerfile b/technitium_dns/Dockerfile
index 04b36eb..2e46ef9 100644
--- a/technitium_dns/Dockerfile
+++ b/technitium_dns/Dockerfile
@@ -1,9 +1,10 @@
+ARG BUILD_FROM=ghcr.io/hassio-addons/base:latest
 FROM technitium/dns-server:latest
 
 ENV DNS_SERVER_WEB_SERVICE_HTTPS_PORT=53443 \
     DNS_SERVER_WEB_SERVICE_ENABLE_HTTPS=false
 
-# Technitium hardcodes /etc/dns as its config dir. HA's addon_config mounts
-# at /config (persistent). Replace the real dir with a symlink so Technitium
-# writes through to the persistent volume.
-RUN rm -rf /etc/dns && mkdir -p /config/dns && ln -s /config/dns /etc/dns
\ No newline at end of file
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
\ No newline at end of file
diff --git a/technitium_dns/config.yaml b/technitium_dns/config.yaml
index 14bc7c3..c5fafcc 100644
--- a/technitium_dns/config.yaml
+++ b/technitium_dns/config.yaml
@@ -1,5 +1,5 @@
 name: Technitium DNS
-version: 15.4.4
+version: 15.4.3
 slug: technitium_dns
 description: Technitium DNS Server add-on for Home Assistant
 arch:
diff --git a/technitium_dns/entrypoint.sh b/technitium_dns/entrypoint.sh
new file mode 100644
index 0000000..8820665
--- /dev/null
+++ b/technitium_dns/entrypoint.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+set -e
+
+# Technitium ships /etc/dns as a real directory in the image. We need it
+# to point at the persistent HA add-on config volume instead. Remove the
+# directory and replace with a symlink at runtime (after HA mounts volumes).
+
+DATA="/config/dns"
+
+mkdir -p "$DATA"
+
+if [ -d /etc/dns ] && [ ! -L /etc/dns ]; then
+    # Seed: copy any existing default config into the volume on first run
+    if [ -z "$(ls -A "$DATA" 2>/dev/null)" ]; then
+        cp -a /etc/dns/. "$DATA"/
+    fi
+    rm -rf /etc/dns
+fi
+
+ln -sf "$DATA" /etc/dns
+
+exec dotnet DnsServerApp.dll
\ No newline at end of file