update docker file

Dockerfile

@@ -8,8 +8,8 @@ WORKDIR /code
 # ENV PIP_TARGET=/home/user/app/pip
 # ENV PYTHONPATH=${PYTHONPATH}:${PIP_TARGET}
 
-RUN python -m venv /app/venv
-ENV PATH="/app/venv/bin:$PATH"
+RUN python -m venv /home/user/app/venv
+ENV PATH="/home/user/app/bin:$PATH"
 
 COPY ./requirements.txt /code/requirements.txt