add docker container

Dockerfile

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+FROM python:3.8
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get clean && apt-get update -y && apt-get upgrade -y && pip install --upgrade pip
+
+RUN pip3 install -U onnx flask onnxruntime
+
+COPY ./static /static
+COPY ./templates /templates
+COPY ./utils /utils
+COPY ./*.py /
+RUN chmod +x /app.py
+
+CMD ["/bin/bash", "-c", "/app.py"]
+