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@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.11
 
 # Set up a new user named "user" with user ID 1000
 RUN useradd -m -u 1000 user

bot.py

@@ -3,6 +3,8 @@ import os
 import io
 import html
 import aiohttp
+import socket
+from urllib.parse import urlparse
 from dotenv import load_dotenv  # <--- NEW IMPORT
 from telegram import Update, constants
 from telegram.ext import ApplicationBuilder, ContextTypes, MessageHandler, filters
@@ -15,8 +17,8 @@ from telegram.ext import ApplicationBuilder, ContextTypes, MessageHandler, filte
 load_dotenv() 
 
 # 2. Retrieve values
-BOT_TOKEN = os.getenv("BOT_TOKEN")
-BACKEND_API_URL = os.getenv("EXTERNAL_ANALYSIS_API_URL")
+BOT_TOKEN = os.getenv("BOT_TOKEN", "").strip().replace('"', '').replace("'", "")
+BACKEND_API_URL = os.getenv("EXTERNAL_ANALYSIS_API_URL", "").strip().replace('"', '').replace("'", "")
 API_KEY = os.getenv("API_KEY")
 
 # Check if critical vars are missing
@@ -337,11 +339,49 @@ async def handle_photo(update: Update, context: ContextTypes.DEFAULT_TYPE):
             parse_mode='HTML'
         )
 
+# ==========================================
+# 🛠️ DIAGNOSTICS
+# ==========================================
+def check_network():
+    """Checks DNS resolution for critical services."""
+    logger.info("--- NETWORK DIAGNOSTICS ---")
+    
+    targets = [
+        ("Telegram API", "api.telegram.org"),
+        ("Google", "google.com")
+    ]
+    
+    # Add Backend Host if parseable
+    try:
+        if BACKEND_API_URL:
+            backend_host = urlparse(BACKEND_API_URL).netloc
+            targets.append(("Backend API", backend_host))
+    except:
+        pass
+
+    for name, host in targets:
+        try:
+            ip = socket.gethostbyname(host)
+            logger.info(f"✅ {name} ({host}) resolved to {ip}")
+        except socket.gaierror as e:
+            logger.error(f"❌ {name} ({host}) DNS FAILURE: {e}")
+        except Exception as e:
+            logger.error(f"❌ {name} ({host}) Unexpected Error: {e}")
+            
+    logger.info("---------------------------")
+
 # ==========================================
 # 🚀 MAIN RUNNER
 # ==========================================
 if __name__ == '__main__':
-    application = ApplicationBuilder().token(BOT_TOKEN).build()
+    check_network()
+    
+    from telegram.request import HTTPXRequest
+    
+    # Use a robust request object with longer timeouts
+    trequest = HTTPXRequest(connection_pool_size=8, read_timeout=20.0, write_timeout=20.0, connect_timeout=20.0)
+    
+    application = ApplicationBuilder().token(BOT_TOKEN).request(trequest).build()
     
     application.add_handler(MessageHandler(filters.COMMAND & filters.Regex(r'^/start$'), start))
     application.add_handler(MessageHandler(filters.TEXT & (~filters.COMMAND), handle_text))