ci: update Dockerfile

Dockerfile

@@ -1,27 +1,7 @@
 FROM pytorch/pytorch:1.7.0-cuda11.0-cudnn8-devel
-RUN apt-get update && apt-get install -y openssh-server nfs-common && \
-    echo "PermitRootLogin yes" >> /etc/ssh/sshd_config && \
-    (echo '123456'; echo '123456') | passwd root
-
-RUN pip install -i https://pypi.mirrors.ustc.edu.cn/simple/ transforms3d \
-        typing \
-        numpy \
-        keras \
-        h5py \
-        pandas \
-        zipfile36 \
-        scikit-optimize \
-        pytest \
-        sphinx \
-        matplotlib \
-        myst_parser \
-        sphinx_rtd_theme==0.5.2 \
-        tensorboard==2.4.1 \
-        sympy==1.5.1 \
-        pyevtk==1.1.1 \
-        flask==1.1.2 \
-        requests==2.25.0 \
-        networkx==2.5.1
-COPY . /idrlnet/
-RUN cd /idrlnet && pip install -e .
-ENTRYPOINT service ssh start && bash
+LABEL maintainer="pengwei"
+WORKDIR /idrlnet
+COPY requirements.txt ./
+RUN pip install -r requirements.txt
+COPY . .
+RUN pip install -e .