diff --git a/Dockerfile b/Dockerfile
index 280f8b07..c38bf89b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,9 @@
-FROM python:3.6
+FROM python:3.6-alpine
 WORKDIR /app
 COPY . .
 # RUN pip install -r requirements.txt  -i https://pypi.douban.com/simple
-RUN pip install -r requirements.txt
+RUN apk add --no-cache libxml2-dev libxslt-dev gcc musl-dev && \
+pip install -r requirements.txt && \
+apk del gcc musl-dev libxml2-dev
 VOLUME ["/app/proxypool/crawlers/private"]
 CMD ["supervisord", "-c", "supervisord.conf"]