feat: support additional domains

.env.sample

@@ -1,6 +1,7 @@
 TYPE=foodsoft
 
 DOMAIN=order.example.org
+#EXTRA_DOMAINS=', `www.order.example.com`'
 LETS_ENCRYPT_ENV=production
 
 # app settings

compose.yml

@@ -72,7 +72,7 @@ services:
         order: start-first
       labels:
         - "traefik.enable=true"
-        - "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.services.${STACK_NAME}.loadbalancer.server.port=3000"