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lang: ja-jp
breaks: true
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# ASP.NET Core デバッグ起動時にブラウザが起動しないようにする 2021-09-04

## Properties/launchSettings.json

`launchBrowser` を `false` に設定する。

{
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:57089/",
      "sslPort": 44328
    }
  },
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": false,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "Server": {
      "commandName": "Project",
      "launchBrowser": false,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "applicationUrl": "https://localhost:5001;http://localhost:5000"
    }
  }
}

###### tags: `ASP.NET Core` `launchBrowser`