add requirements

Dockerfile

@@ -1,16 +1,10 @@
 FROM python:3.9.6
 
+ENV PIP_CONFIG_FILE pip.conf
+
 RUN apt-get update
 RUN apt-get -y install coinor-cbc
-RUN python -m pip install pulp
-RUN python -m pip install pydantic
-RUN python -m pip install daemonize
-RUN python -m pip install sqspy
-RUN python -m pip install -U pytest
-RUN python -m pip install pytest-cov
-RUN python -m pip install pytest-stub
-RUN python -m pip install pytest-mock
-RUN python -m pip install girth --upgrade
+RUN python -m pip install -r requirements.txt
 
 RUN mkdir /app
 WORKDIR /app