Use requirements.txt for dependency installations (#63)

Dockerfile

@@ -7,7 +7,12 @@ RUN pip install pipenv --no-cache-dir
 # Allows docker to cache installed dependencies between builds
 COPY Pipfile Pipfile
 COPY Pipfile.lock Pipfile.lock
-RUN pipenv install --deploy --system
+COPY requirements.txt requirements.txt
+RUN apt-get -y update && apt-get -y install libpq-dev gcc zlib1g
+ENV LIBRARY_PATH=/lib:/usr/lib
+RUN /usr/local/bin/python -m pip install --upgrade pip
+RUN pip install importlib-metadata==4.13.0
+RUN pip install -r requirements.txt
 
 # Adds our application code to the image
 COPY . code

requirements.txt

@@ -0,0 +1,44 @@
+pytz==2018.9
+django-configurations==2.1
+gunicorn==19.9.0
+newrelic==4.12.0.113
+psycopg2-binary==2.7.7
+dj-database-url==0.5.0
+django-model-utils==3.1.2
+django-unique-upload==0.2.1
+djangorestframework==3.9.1
+django-filter==2.1.0
+ipdb==0.11
+ipython==7.2.0
+mkdocs==1.0.4
+flake8==3.6.0
+mock==2.0.0
+django-nose==1.4.6
+nose-progressive==1.5.2
+coverage==4.5.2
+django-storages==1.7.1
+boto3==1.9.86
+django==2.2
+markdown==3.0.1
+factory-boy==2.11.1
+django-role-permissions==2.2.1
+pillow==8.3.2
+requests-oauthlib==1.2.0
+requests==2.22.0
+coreapi==2.3.3
+pygments==2.4.0
+drf-nested-routers==0.91
+whitenoise==4.1.2
+django-cors-headers==3.0.1
+mypy==0.701
+bleach==3.1.0
+html5lib==1.0.1
+python-frontmatter==0.4.5
+django-taggit==1.1.0
+django-taggit-serializer==0.1.7
+archieml==0.3.4
+drf-yasg==1.15.0
+celery==4.3.0
+redis==3.2.1
+django-celery-results==1.0.4
+django-redis==4.10.0