You're going to want to include a static.json file when deploying to Heroku:
{
  "root": "build/",
  "clean_urls": false,
  "routes": {
    "/**": "index.html"
  }
}
Other than that Heroku should just auto-detect that it is a static app.
You're going to want to include a static.json file when deploying to Heroku:
{
  "root": "build/",
  "clean_urls": false,
  "routes": {
    "/**": "index.html"
  }
}
Other than that Heroku should just auto-detect that it is a static app.
Here's an example repo of one that is deployed to Heroku: https://github.com/marianserna/wanderers-frontend