Fix container DNS for Telegram

docker-compose.yml

@@ -9,6 +9,8 @@ services:
       TZ: "Europe/Berlin"
       ADMIN_PASSWORD: "${ADMIN_PASSWORD:?set ADMIN_PASSWORD}"
       TELEGRAM_BOT_TOKEN: "${TELEGRAM_BOT_TOKEN:-}"
+    dns:
+      - "10.0.20.1"
     volumes:
       - tagdesx-data:/data
     ports:

src/lib/telegram.js

@@ -59,7 +59,7 @@ export class TelegramBot {
           await this.handleUpdate(update, getTodayMessage);
         }
       } catch (error) {
-        this.logger.error("telegram poll error", error.message);
+        this.logger.error("telegram poll error", describeError(error));
         await new Promise((resolve) => setTimeout(resolve, 5000));
       }
     }
@@ -91,3 +91,16 @@ export class TelegramBot {
     await this.sendMessage(message.chat.id, helpMessage());
   }
 }
+
+function describeError(error) {
+  const cause = error?.cause;
+  const details = [
+    error?.message,
+    cause?.code,
+    cause?.syscall,
+    cause?.hostname,
+    cause?.address,
+    cause?.port
+  ].filter(Boolean);
+  return details.join(" ");
+}