How to tell webpack dev server to serve index.html for any route

Question

React router allows react apps to handle /arbitrary/route. In order this to work, I need my server to send the React app on any matched route.

But webpa

Answer 1

historyApiFallback option on official documentation for webpack-dev-server explains clearly how you can achieve either by using

historyApiFallback: true

which simply falls back to index.html when the route is not found

or

// output.publicPath: '/foo-app/'
historyApiFallback: {
  index: '/foo-app/'
}