完善docker配置

backend/dockerfile

@@ -0,0 +1,14 @@
+FROM python:3.11-slim
+WORKDIR /app
+
+# 安装依赖
+RUN pip install --no-cache-dir fastapi==0.115.8 uvicorn[standard]==0.34.8 python-multipart
+
+# 复制代码
+COPY . .
+
+# 暴露端口
+EXPOSE 5000
+
+# 启动命令
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "5000"]

backend/main.py

@@ -1,10 +1,20 @@
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 import uvicorn
 import random
 
 
 app = FastAPI()
 
+# 添加CORS中间件，允许所有来源
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],  # 在生产环境中应该指定具体的域名
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
 @app.get("/")
 async def root():
     return {"message": "Hello World"}

backend/requirements.txt

@@ -0,0 +1,2 @@
+fastapi==0.115.8
+uvicorn[standard]==0.34.8