API Proxying During Development

When integrating this boilerplate with an existing backend, a common need is to access the backend API when using the dev server. To achieve that, we can run the dev server and the API backend side-by-side (or remotely), and let the dev server proxy all API requests to the actual backend.

To configure the proxy rules, edit dev.proxyTable option in config/index.js. The dev server is using http-proxy-middleware for proxying, so you should refer to its docs for detailed usage. But here's a simple example:

// config/index.js
module.exports = {
  // ...
  dev: {
    proxyTable: {
      // proxy all requests starting with /api to jsonplaceholder
      '/api': {
        target: 'http://jsonplaceholder.typicode.com',
        changeOrigin: true,
        pathRewrite: {
          '^/api': ''
        }
      }
    }
  }
}

The above example will proxy the request /api/posts/1 to http://jsonplaceholder.typicode.com/posts/1.

URL Matching

In addition to static urls you can also use glob patterns to match URLs, e.g. /api/**. See Context Matching for more details. In addition, you can provide a filter option that can be a custom function to determine whether a request should be proxied:

proxyTable: {
  '**': {
    target: 'http://jsonplaceholder.typicode.com',
    filter: function (pathname, req) {
      return pathname.match('^/api') && req.method === 'GET'
    }
  }
}

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