feat:增加docker部署

Dockerfile

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+FROM python:3.12-slim
+WORKDIR /app
+RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
+RUN echo 'Asia/Shanghai' > /etc/timezone
+COPY ./packages /app/packages
+COPY requirements.txt /app/
+RUN pip install --no-cache-dir --no-index --find-links=/app/packages -r requirements.txt
+COPY . /app/
+EXPOSE 8000
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+# pip download -r requirements.txt -d ./packages --only-binary=:all: --platform manylinux2014_x86_64 -i https://pypi.tuna.tsinghua.edu.cn/simple