Adding a Dockerfile to create an image with all the dependencies

Dockerfile

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+FROM ubuntu:latest
+RUN apt-get update
+RUN apt install -y python3
+RUN apt install -y python3-pip
+RUN apt install -y cmake
+RUN apt install -y libsm6
+RUN apt install -y libxext6
+RUN apt install -y libxrender1
+RUN apt install -y libfontconfig1
+RUN pip3 install opencv-python
+COPY .  /home/GazeTracking
+WORKDIR /home/GazeTracking
+RUN pip3 install -r requirements.txt

build_and_run.sh

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+IMAGE_NAME=gaze-tracking
+
+# allow root access to x server
+xhost local:root
+# build and run docker image
+([ "$(docker images -q ${IMAGE_NAME})" == "" ] && docker build -t ${IMAGE_NAME} . ) 
+([ "$(docker images -q ${IMAGE_NAME})" != "" ] && \
+docker run --rm --device /dev/video0 \
+	-e DISPLAY=${DISPLAY} \
+	-v /tmp/.X11-unix:/tmp/.X11-unix \
+	--env="QT_X11_NO_MITSHM=1" \
+	-it ${IMAGE_NAME} bash)