Update poetry install command (#211)

* Update Dockerfile

* Update Dockerfile

Author: TravisHoover

Dockerfile

@@ -19,7 +19,7 @@ COPY poetry.lock /source
 COPY pyproject.toml /source
 RUN pip install -U pip poetry
 RUN poetry config virtualenvs.create false
-RUN poetry install --no-dev 
+RUN poetry install --no-root 
 
 # Copy files into image
 # ---------------------------------------------------------------------- #