feat(network): add proxy support and docker host-gateway configuration

services/publisher.py

@@ -6,6 +6,7 @@ from typing import Optional
 from telethon import TelegramClient
 from db.repository import Repository
 from core.metrics import POSTS_PUBLISHED_TOTAL, QUEUE_POSTS_GAUGE
+from core.proxy import get_telegram_proxy
 
 logger = logging.getLogger(__name__)
 
@@ -26,7 +27,7 @@ class PublisherService:
         self.bot_token = bot_token or os.getenv("BOT_TOKEN")
         self.session_name = session_name or os.path.join(SESSION_DIR, "publisher.session")
         os.makedirs(os.path.dirname(self.session_name), exist_ok=True)
-        self.client = TelegramClient(self.session_name, self.api_id, self.api_hash)
+        self.client = TelegramClient(self.session_name, self.api_id, self.api_hash, proxy=get_telegram_proxy())
         self._running = False
         self._task: Optional[asyncio.Task] = None