Update database.py

database.py

@@ -1,11 +1,13 @@
 from sqlalchemy import create_engine
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
-from config import settings
+#from config import settings
+import os
+db_url = os.environ.get("DATABASE_URL", "")
 
 #database = databases.Database(settings.db_url)
 #SQLALCHEMY_DATABASE_URL = "sqlite:///./sql_app.db"
-SQLALCHEMY_DATABASE_URL = settings.db_url #"postgresql://user:password@postgresserver/db"
+SQLALCHEMY_DATABASE_URL = db_url #"postgresql://user:password@postgresserver/db"
 
 engine = create_engine(
     SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}