add docker

api_server.py

@@ -1,3 +1,4 @@
+import os
 import datetime
 from fastapi import FastAPI, Depends, HTTPException
 from pydantic import BaseModel, Field
@@ -6,7 +7,11 @@ from sqlalchemy.orm import sessionmaker, Session, declarative_base
 from enum import IntEnum
 
 # --- 数据库设置 ---
-SQLALCHEMY_DATABASE_URL = "sqlite:///./safe_marks.db"
+# 将数据库放在一个专门的 /data 子目录中
+DB_DIR = "/app/data"
+os.makedirs(DB_DIR, exist_ok=True)
+SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/safe-marks.db"
+
 engine = create_engine(
     SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
 )