diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f3fee9a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+torch-whl/
diff --git a/Dockerfile b/Dockerfile
index 9707dc8..d33c34e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,18 @@
-FROM mingzailao/cuda:11.3.1-cudnn8-devel-ubuntu20.04
+FROM mingzailao/cuda:10.2-cudnn8-devel-ubuntu18.04
 
-RUN pip3 install torch==1.11.0+cu113 torchvision==0.12.0+cu113 torchaudio==0.11.0 --extra-index-url https://download.pytorch.org/whl/cu113
+
+RUN rm /usr/bin/python3
+RUN ln -s /usr/bin/python3.8 /usr/bin/python3
+RUN apt-get -y update && \
+    apt-get -y upgrade && \
+    apt-get install -y python3.8 python3-pip
+RUN ln -s /usr/bin/python3 /usr/bin/python
+RUN apt-get install build-essential libatlas-base-dev gfortran -y
+RUN pip install Cython
+RUN pip install --upgrade pip
+
+COPY ./torch-whl/torch-1.11.0+cu102-cp38-cp38-linux_x86_64.whl /torch-whl/torch-1.6.0+cu101-cp38-cp38-linux_x86_64.whl
+RUN pip3 install /torch-whl/torch-1.11.0+cu102-cp38-cp38-linux_x86_64.whl