switch config from ini to env

innovation_pathfinder_ai/database/db_handler.py

@@ -2,12 +2,13 @@ from sqlmodel import SQLModel, create_engine, Session, select
 from innovation_pathfinder_ai.database.schema import Sources
 from innovation_pathfinder_ai.utils.logger import get_console_logger
 from configparser import ConfigParser
-# from innovation_pathfinder_ai.utils import create_wikipedia_urls_from_text
+import os
+from dotenv import load_dotenv
 
-config = ConfigParser()
-config.read('innovation_pathfinder_ai/config.ini')
+load_dotenv()
+
+sqlite_file_name = os.getenv('SOURCES_CACHE')
 
-sqlite_file_name = config.get('main', 'SOURCES_CACHE')
 sqlite_url = f"sqlite:///{sqlite_file_name}"
 engine = create_engine(sqlite_url, echo=False)