Update app.py

Dockerfile

@@ -0,0 +1,30 @@
+FROM python:3.9-alpine
+
+# 构建参数
+ARG APP_VERSION=v1.0
+ARG BUGGY=false
+
+# 设置时区
+RUN apk add --no-cache tzdata && \
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone && \
+    apk del tzdata
+
+ENV TZ=Asia/Shanghai \
+    APP_VERSION=${APP_VERSION} \
+    BUGGY=${BUGGY}
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app.py .
+
+EXPOSE 80
+
+# 添加健康检查（v2.0+ 特性）
+HEALTHCHECK --interval=10s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost/health || exit 1
+
+CMD ["python", "app.py"]