added pygame GUI docker

Dockerfile

@@ -48,4 +48,18 @@ RUN apt-get -y install git python3-dev python3-setuptools python3-numpy python3-
     xfonts-base xfonts-100dpi xfonts-75dpi xfonts-cyrillic fontconfig fonts-freefont-ttf libfreetype6-dev
 
 COPY pip_req.txt /temp/
-RUN python3 -m pip install -r /temp/pip_req.txt
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+RUN python3 -m pip install -r /temp/pip_req.txt
+
+
+#RUN pygame with GUI in docker
+# comment out main.py:loadingscreen line 967 (generate_graph(snake_length, map, map_filename))
+# docker run -it --rm -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=$DISPLAY --name snake IMAGE_NAME:TAG
+
+# COPY . /2psnake
+
+# RUN useradd -m -U -s /bin/bash pygame
+# USER pygame
+
+# WORKDIR /2psnake/Game
+# ENV SHELL /bin/bash
+# ENTRYPOINT ["python3", "main.py"]
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