ALLOWED_HOST con valor por defecto '*'

.env.example

@@ -14,9 +14,6 @@ SUPERUSER_PASSWORD=''
 DB_NAME=netbox
 DB_USER=netbox
 
-# Host permitido (dominio de NetBox)
-ALLOWED_HOST=*
-
 # === SOLO PARA TRAEFIK ===
 # Dominio para certificado SSL (no necesario con NPM)
 DOMAIN_HOST=netbox.example.com

docker-compose.yml

@@ -9,7 +9,7 @@ services:
       TZ: Europe/Madrid
       SUPERUSER_EMAIL: ${SUPERUSER_EMAIL}
       SUPERUSER_PASSWORD: ${SUPERUSER_PASSWORD}
-      ALLOWED_HOST: ${ALLOWED_HOST}
+      ALLOWED_HOST: ${ALLOWED_HOST:-*}
       DB_NAME: ${DB_NAME:-netbox}
       DB_USER: ${DB_USER:-netbox}
       DB_PASSWORD: ${DB_PASSWORD}