Add ntfy push and Listmonk newsletter with lightweight Docker deploy tooling.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/settings.py

@@ -195,6 +195,31 @@ class Settings:
             or os.getenv("NEXT_PUBLIC_LOUNGE_URL")
             or "https://lounge.nomadro.cn"
         ).rstrip("/")
+        self.listmonk_url = (
+            os.getenv("LISTMONK_URL")
+            or os.getenv("NEXT_PUBLIC_LISTMONK_URL")
+            or "https://listmonk.nomadro.cn"
+        ).rstrip("/")
+        self.listmonk_api_url = (
+            os.getenv("LISTMONK_API_URL") or self.listmonk_url
+        ).rstrip("/")
+        self.listmonk_api_key = os.getenv("LISTMONK_API_KEY", "").strip()
+        list_ids_raw = os.getenv("LISTMONK_DEFAULT_LIST_IDS", "1")
+        self.listmonk_default_list_ids = [
+            int(x.strip()) for x in list_ids_raw.split(",") if x.strip().isdigit()
+        ] or [1]
+        self.ntfy_url = (
+            os.getenv("NTFY_URL")
+            or os.getenv("NEXT_PUBLIC_NTFY_URL")
+            or "https://ntfy.nomadro.cn"
+        ).rstrip("/")
+        self.ntfy_auth_token = os.getenv("NTFY_AUTH_TOKEN", "").strip()
+        self.ntfy_enabled = _bool_env("NTFY_ENABLED", "true")
+        self.site_public_url = (
+            os.getenv("NEXT_PUBLIC_SITE_URL")
+            or os.getenv("SITE_PUBLIC_URL")
+            or "https://nomadro.cn"
+        ).rstrip("/")
 
 
 @lru_cache(maxsize=1)