## Register provider Start by registering the provider inside `start/app.js` file. ```js const providers = [ '@adonisjs/cors/providers/CorsProvider' ] ``` ## Register middleware The next thing is to register the middleware globally. Make sure `Cors` middleware is the first middleware in the stack. The middleware is registered inside `start/kernel.js` file. ```js Server .use(['Adonis/Middleware/Cors']) ``` ## Config The config file has been saved inside `config/cors.js` file. Feel free to tweak it accordingly.