add OpenPose docker file

Dockerfile

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+# FROM ubuntu:20.04
+FROM nvidia/cuda:11.1-cudnn8-devel-ubuntu20.04
+# RUN apt-get update && apt-get install -y wget build-essential
+
+# install cuda and cudnn since it is somehow missing in nvidia/cuda image lol
+# WORKDIR /tmp
+# RUN wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin
+# RUN mv cuda-ubuntu2004.pin /etc/apt/preferences.d/cuda-repository-pin-600
+
+# RUN wget https://developer.download.nvidia.com/compute/cuda/11.2.0/local_installers/cuda-repo-ubuntu2004-11-2-local_11.2.0-460.27.04-1_amd64.deb
+# RUN dpkg -i cuda-repo-ubuntu2004-11-2-local_11.2.0-460.27.04-1_amd64.deb
+
+# RUN apt-key add /var/cuda-repo-ubuntu2004-11-2-local/7fa2af80.pub
+
+#get deps
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+    git g++ make cmake wget libprotobuf-dev protobuf-compiler libopencv-dev \
+    libgoogle-glog-dev libboost-all-dev libhdf5-dev libatlas-base-dev
+
+# install python
+# RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends python3-dev python3-pip 
+
+#for python api
+# RUN pip3 install numpy opencv-python 
+
+#get openpose
+# WORKDIR /openpose
+# RUN git clone https://github.com/CMU-Perceptual-Computing-Lab/openpose.git .
+
+#build it
+# WORKDIR /openpose/build
+# RUN cmake -DBUILD_PYTHON=OFF .. && make -j `nproc`
+# WORKDIR /openpose