adding prod environment file in angular8

JavaScript
      
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      export const environment = {
  production: false,
  apiUrl: 'http://my-api-url'
};
          
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      export const environment = {
  production: true,
  apiUrl: 'http://my-prod-url'
};
          
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      {
  "/api": {
    "target": "http://localhost:3000",
    "secure": false,
    "pathRewrite": {
      "^/api": ""
    }
  }
}
    
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