Initial Commit. Split cloud service from the combined project

cloud_backend/database.py

@@ -0,0 +1,17 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import declarative_base, sessionmaker
+from config import settings
+
+connect_args = {"check_same_thread": False} if settings.DATABASE_URL.startswith("sqlite") else {}
+
+engine = create_engine(settings.DATABASE_URL, connect_args=connect_args)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()