Rails的新手，正在尝试启动本地开发环境并运行从git克隆的站点。当我启动postgres并在项目下的终端中键入“railss”以启动服务器时，我遇到了以下问题:=>BootingWEBrick=>Rails4.2.0applicationstartingindevelopmentonhttp://localhost:3000=>Run`railsserver-h`formorestartupoptions=>Ctrl-Ctoshutdownserver[2017-01-0820:43:24]INFOWEBrick1.3.1[2017-01-0820:43:24]INFOruby2.

我正在构建一个小型应用程序，它在本地运行。然后当我去Heroku上部署它时，我的终端中弹出了这个错误:remote:Anerroroccurredwhileinstallingsqlite3(1.3.11),andBundlercannotremote:continue.remote:Makesurethat`geminstallsqlite3-v'1.3.11'`succeedsbeforebundling.remote:!remote:!FailedtoinstallgemsviaBundler.remote:!remote:!Detectedsqlite3gemwhichisno