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New Train Tracker

lint deploy

Developed by TransitMatters Labs

Shows new MBTA Orange, Red, and Green Line trains as they come into service.

Install & Run

Dependencies:

  • node 20.x (with npm 10.x)
  • python 3.12
  • poetry
    • Ensure poetry is using the correct Python version by running poetry env use <your python3.12 binary>

Run:

To use an API key, put it as an environment variable MBTA_V3_API_KEY

Linting

To lint frontend and backend code, run $ npm run lint in the root directory

To lint just frontend code, run $ npm run lint-frontend

To lint just backend code, run $ npm run lint-backend

AWS Deployment

  1. Make sure AWS CLI is set up and working — i.e. aws cloudformation describe-stacks | wc -l should work
  2. Make sure these environment variables are set up in your shell (ask a Labs member for values if needed):
  • TM_NTT_CERT_ARN (for production)
  • TM_LABS_WILDCARD_CERT_ARN (for beta & production)
  1. A key named transitmatters-ntt needs to be available in your AWS account and copied to ~/.ssh/transitmatters-ntt.pem.
  2. Run ./deploy.sh (add -p for production) to deploy.
  3. You're all set! Visit:

Other Deployments

This project generally fits the "Chalice app" mold. Contact us if you need help: labs@transitmatters.org

Support TransitMatters

If you've found this app helpful or interesting, please consider donating to TransitMatters to help support our mission to provide data-driven advocacy for a more reliable, sustainable, and equitable transit system in Metropolitan Boston.