support init database

app/database.py

@@ -3,7 +3,7 @@ from sqlalchemy.orm import sessionmaker
 from sqlalchemy.orm import declarative_base
 
 
-DATABASE_URL = "mysql+pymysql://root:example@localhost:3306/wncloud?charset=utf8mb4"
+DATABASE_URL = "mysql+pymysql://root:C3nvsoWP5Nhe@wncloud-mysql:3306/wncloud?charset=utf8mb4"
 engine = create_engine(DATABASE_URL)
 SessionLocal = sessionmaker(autoflush=False, bind=engine)
 Base = declarative_base()