SNAP Community Charts

Running locally

To run the application locally, install pipenv.

cd /path/to/this/repo
pipenv install
export FLASK_APP=application.py
export DASH_REQUESTS_PATHNAME_PREFIX='/' # see below for more info
export DATA_PREFIX='https://s3-us-west-2.amazonaws.com/community-charts/' # see below for more info
pipenv run flask run

The application will be available at http://127.0.0.1:5000/.

Deployment on AWS

Before deploying, update the requirements.txt file:

pipenv clean
pipenv run pip freeze > requirements.txt
git commit -am'updating requirements.txt'

When deploying on AWS Elastic Beanstalk, a few environment variables must be set:

• DASH_REQUESTS_PATHNAME_PREFIX: Path prefix on host, should be / for local development and /tools/community-charts/ for current deploy on AWS
• DATA_PREFIX: Location of the CSV files for each community. Set to https://s3-us-west-2.amazonaws.com/community-charts/ unless reading from local data subdirectory.