add EXTRA_DOMAINS env

.env.sample

@@ -5,6 +5,8 @@ ENABLE_AUTO_UPDATE=true
 LETS_ENCRYPT_ENV=production
 
 DOMAIN=authentik.example.com
+## Domain aliases
+#EXTRA_DOMAINS=', `www.authentik.example.com`'
 COMPOSE_FILE="compose.yml"
 AUTHENTIK_DEFAULT_USER_CHANGE_USERNAME=false
 AUTHENTIK_LOG_LEVEL=info

compose.yml

@@ -65,7 +65,7 @@ services:
         - "traefik.enable=true"
         - "traefik.docker.network=proxy"
         - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=9000"
-        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`)"
+        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})"
         - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
         - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
         - "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect,${STACK_NAME}-frameOptions"