fix: 修改Dockerfile模板

Dockerfile

@@ -1,17 +1,29 @@
-FROM python:3.8.6-alpine
+# 安装依赖阶段
+FROM python:3.8.6-slim as build
 
-RUN set -eux && sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
+RUN mkdir /install
 
-RUN apk update && apk add python3-dev gcc libc-dev libffi-dev
+WORKDIR /install
 
-RUN apk add jpeg-dev zlib-dev freetype-dev lcms2-dev openjpeg-dev tiff-dev tk-dev tcl-dev
+COPY requirements.txt .
+
+RUN sed -i s@/deb.debian.org/@/mirrors.aliyun.com/@g /etc/apt/sources.list
+
+RUN apt-get update \
+    && apt-get install gcc -y \
+    && apt-get clean
+
+RUN pip install -r requirements.txt   -i https://mirrors.aliyun.com/pypi/simple/ --prefix=/install
+
+# 应用启动
+FROM python:3.8.6-slim
+
+COPY --from=build /install /usr/local
+
+COPY . /app
 
 WORKDIR /app
 
-COPY . . 
-
-RUN pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/
-
 ENV FAST_API_ENV=dev
 
-CMD ["/usr/local/bin/uvicorn", "main:fast_api_app", "--reload", "--host", "0.0.0.0"]
+CMD ["/usr/local/bin/uvicorn", "main:fast_api_app", "--reload", "--host", "0.0.0.0", "--port", "21021"]