First attempt at docker build

Dockerfile

@@ -39,18 +39,15 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 WORKDIR /usr/src/app/website/
 # install python requirements
-COPY requirements.txt /usr/src/app/website/
-COPY production-requirements.txt /usr/src/app/website/
-COPY dev-requirements.txt /usr/src/app/website/
-COPY docs/requirements.txt /usr/src/app/docs/
+COPY Pipfile /usr/src/app/website/
+COPY Pipfile.lock /usr/src/app/website/
+RUN pipenv install --system --deploy
 RUN pip install --no-cache-dir \
-    -r requirements.txt \
-    -r production-requirements.txt \
     -r ../docs/requirements.txt
 
 RUN if [ "$install_dev_requirements" -eq 1 ]; then \
-    pip install --no-cache-dir -r dev-requirements.txt; \
-    fi
+    pipenv install --system --dev \
+fi
 
 
 # Create entry points