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TransitMatters Data Dashboard

lint build deploy healthcheck

This is the repository for the TransitMatters Data Dashboard. Client code is written in Typescript with React and Next.js, and the backend is written in Python with Chalice.

Requirements to develop locally

  • node 18.x and npm 9.x required
    • With nvm installed, use nvm install && nvm use
    • verify with node -v
  • Python 3.10 with recent poetry (1.5.0 or later)
    • Verify with python --version && poetry --version
    • poetry self update to update poetry

Development Instructions

  1. Add MBTA_V2_API_KEY and MBTA_V3_API_KEY to your shell environment:
    • export MBTA_V2_API_KEY='KEY' in ~/.bashrc or ~/.zshrc
    • export MBTA_V3_API_KEY='KEY' in ~/.bashrc or ~/.zshrc
  2. Add your AWS credentials (AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY) to your shell environment, OR add them to a .boto config file with awscli command aws configure.
  3. In the root directory, run npm install to install all frontend and backend dependencies
  4. Run npm start to start both the JavaScript development server and the Python backend at the same time.
  5. Navigate to http://localhost:3000 (or the url provided after running npm start)

Deployment Instructions

  1. Configure AWS CLI 1.x or 2.x with your AWS access key ID and secret under the profile name transitmatters.
  2. Configure shell environment variables for AWS ACM domain certificates.
    • TM_FRONTEND_CERT_ARN
    • TM_LABS_WILDCARD_CERT_ARN
    • (You may also need to set AWS_DEFAULT_REGION in your shell to us-east-1. Maybe not! We're not sure.)
  3. Execute ./deploy.sh (for beta) or ./deploy.sh -p (for production). If deploying from a CI platform (such as GitHub Actions) you may also want to include the -c flag.

Additional notes:

  • If you're running this locally, your local MBTA-performance API key (which might be your own) will get uploaded to AWS!
  • If you're on a platform with a non-GNU sed, deploy.sh might fail. On macOS, this is fixed by brew install gnu-sed and adding it to your PATH.
  • If you get an unexplained error, check the CloudFormation stack status in AWS Console. Good luck!

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

VSCode

If you're using VSCode, .vscode contains a based default workspace setup. It also includes recommended extentions that will improve the dev experience. This config is meant to be as small as possible to enable an "out of the box" easy experience for handling eslint.

Updating backend data

See server/rapid/gen_latest_rapid_data.sh and server/bus/gen_latest_bus_data.sh for instructions.

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.

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TransitMatters performance visualizer for the MBTA

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  • TypeScript 83.5%
  • Python 12.4%
  • Shell 2.0%
  • CSS 1.1%
  • Other 1.0%