Usepipenv

Use pipenv instead of requirements handled by requirements.txt and requirements_dev.txt.

Closes #9

backend/Dockerfile

@@ -2,13 +2,12 @@ FROM python:3.7
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
-ENV WEB_DOCKER 1
+
+# Install pipenv
+RUN pip install pipenv
 
 WORKDIR /code
-# Copy requirements and install
-COPY requirements.txt /code/
-RUN pip install -r requirements.txt
 
-# Copy the project and install
+# Copy Pipfile and install
 COPY . /code/
-RUN pip install -e .
\ No newline at end of file
+RUN pipenv install --system --deploy