Create Dockerfile

Dockerfile

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+# Dockerfile
+FROM python:3.10-slim
+
+# 安装 wkhtmltopdf 及必要依赖
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+      wkhtmltopdf \
+      libfontconfig \
+      && rm -rf /var/lib/apt/lists/*
+
+# 设置工作目录
+WORKDIR /app
+
+# 复制 requirements 并安装
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# 复制应用代码
+COPY app/ ./app/
+
+# 端口
+EXPOSE 7860
+
+# 启动
+CMD ["python", "app/main.py"]