Prepared dockerfile

Backend-libXML/Dockerfile

@@ -0,0 +1,8 @@
+FROM tiangolo/meinheld-gunicorn-flask:python3.9
+
+COPY ./requirements.txt /app/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
+
+COPY ./main.py /app/
+COPY ./Parser.py /app/