修改dockerfile

deploy/docker/hubserving/cpu/Dockerfile

 # Version: 2.0.0 PaddleOCR-2.8.1
 FROM registry.baidubce.com/paddlepaddle/paddle:2.0.0
-
+ENV BASE_DIR="/PaddleOCR"
 # PaddleOCR base on Python3.7
 RUN pip3.7 install --upgrade pip -i https://mirror.baidu.com/pypi/simple
 
@@ -31,6 +31,12 @@ RUN tar xf /PaddleOCR/inference/ch_ppocr_mobile_v2.0_cls_infer.tar -C /PaddleOCR
 ADD https://paddleocr.bj.bcebos.com/PP-OCRv4/chinese/ch_PP-OCRv4_rec_infer.tar /PaddleOCR/inference/
 RUN tar xf /PaddleOCR/inference/ch_PP-OCRv4_rec_infer.tar -C /PaddleOCR/inference/
 
+RUN adduser -u 1000 --disabled-password gx \
+    && chown -R gx:gx $BASE_DIR \
+    && chmod -R 777 $BASE_DIR \
+
 EXPOSE 8868
 
+USER 1000
+
 CMD ["/bin/bash","-c","hub install deploy/hubserving/ocr_system/ && hub serving start -m ocr_system"]