Update app/database/session.py

app/database/session.py

@@ -1,6 +1,19 @@
 from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 from app.core.config import settings
 
-engine = create_engine(settings.database_url)
+# Use a default SQLite database if no URL is provided
+if settings.database_url:
+    DATABASE_URL = settings.database_url
+else:
+    # Fallback to a local SQLite file (writable in the container)
+    DATABASE_URL = "sqlite:///./app.db"
+
+# For SQLite, we need to disable the threading check
+connect_args = {"check_same_thread": False} if DATABASE_URL.startswith("sqlite") else {}
+
+engine = create_engine(DATABASE_URL, connect_args=connect_args)
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()