use a requirements.txt to help build the env

requirements.txt

+aniso8601==3.0.2
+certifi==2018.8.24
+chardet==3.0.4
+Click==7.0
+Flask==1.0.2
+Flask-Cors==3.0.6
+Flask-OAuthlib==0.9.5
+Flask-RESTful==0.3.6
+idna==2.7
+itsdangerous==0.24
+Jinja2==2.10
+MarkupSafe==1.0
+oauthlib==2.1.0
+pip==9.0.1
+pkg-resources==0.0.0
+python-dateutil==2.7.5
+pytz==2018.5
+PyYAML==3.13
+requests==2.19.1
+requests-oauthlib==1.0.0
+setuptools==39.0.1
+six==1.11.0
+SQLAlchemy==1.2.12
+urllib3==1.23
+uWSGI==2.0.17.1
+Werkzeug==0.14.1
+