app.json

{
  "description": "Heroku CI that runs E2E tests using Cypress",
  "stack": "cedar-14",
  "environments": {
    "test": {
      "buildpacks": [
        { "url": "heroku/nodejs" },
        { "url": "https://github.com/heroku/heroku-buildpack-xvfb-google-chrome" }
      ],
      "scripts": {
        "test-setup": "CYPRESS_CACHE_FOLDER=./node_modules/cypress/cache/Cypress npx cypress cache path && CYPRESS_CACHE_FOLDER=./node_modules/cypress/cache/Cypress npx cypress cache list",
        "test": "CYPRESS_CACHE_FOLDER=./node_modules/cypress/cache/Cypress npm run test:ci:record"
      }
    }
  }
}