Removes dependence on cr-connect-python-base for now

Dockerfile

@@ -1,15 +1,20 @@
-FROM sartography/cr-connect-python-base
+FROM python:3.7-slim
 
 WORKDIR /app
 COPY Pipfile Pipfile.lock /app/
 
 RUN set -xe \
+  && pip install pipenv \
+  && apt-get update -q \
+  && apt-get install -y -q \
+        gcc python3-dev libssl-dev \
+        curl postgresql-client git-core \
+        gunicorn3 postgresql-client \
   && pipenv install --dev \
   && apt-get remove -y gcc python3-dev libssl-dev \
   && apt-get autoremove -y \
   && apt-get clean -y \
   && rm -rf /var/lib/apt/lists/* \
-  && mkdir -p /app \
   && useradd _gunicorn --no-create-home --user-group
 
 COPY . /app/