update

backend/config.py

@@ -45,6 +45,11 @@ class Config:
     TRACKING_API_URL = os.getenv('TRACKING_API_URL', f'http://localhost:{os.getenv("FLASK_PORT", "5000")}')
     TRACKING_DATA_RETENTION_DAYS = int(os.getenv('TRACKING_DATA_RETENTION_DAYS', '90'))
     
+    # ChromaDB
+    CHROMA_HOST = os.getenv('CHROMA_HOST', 'chromadb')
+    CHROMA_PORT = int(os.getenv('CHROMA_PORT', '8000'))
+    CHROMA_COLLECTION = os.getenv('CHROMA_COLLECTION', 'munich_news_articles')
+    
     @classmethod
     def print_config(cls):
         """Print configuration (without sensitive data)"""
@@ -57,3 +62,5 @@ class Config:
         print(f"  Ollama Enabled: {cls.OLLAMA_ENABLED}")
         print(f"  Tracking Enabled: {cls.TRACKING_ENABLED}")
         print(f"  Tracking API URL: {cls.TRACKING_API_URL}")
+        print(f"  ChromaDB Host: {cls.CHROMA_HOST}")
+        print(f"  ChromaDB Port: {cls.CHROMA_PORT}")