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