Run the following .NET Core CLI commands: ```dotnetcli dotnet tool install --global dotnet-ef --version 3.1.9 dotnet tool install --global dotnet-aspnet-codegenerator --version 3.1.4 dotnet add package Microsoft.EntityFrameworkCore.Sqlite --version 3.1.9 dotnet add package Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore --version 3.1.9 dotnet add package Microsoft.VisualStudio.Web.CodeGeneration.Design --version 3.1.4 dotnet add package Microsoft.EntityFrameworkCore.Design --version 3.1.9 dotnet add package Microsoft.EntityFrameworkCore.SqlServer --version 3.1.9 dotnet add package Microsoft.Extensions.Logging.Debug --version 3.1.9 ``` The preceding commands add: * The [aspnet-codegenerator scaffolding tool](xref:fundamentals/tools/dotnet-aspnet-codegenerator). * The Entity Framework Core Tools for the .NET Core CLI. * The EF Core SQLite provider, which installs the EF Core package as a dependency. * Packages needed for scaffolding: `Microsoft.VisualStudio.Web.CodeGeneration.Design` and `Microsoft.EntityFrameworkCore.SqlServer`. For guidance on multiple environment configuration that permits an app to configure its database contexts by environment, see . [!INCLUDE[](~/includes/dotnet-tool-install-arch-options.md)] [!INCLUDE[](~/includes/scaffoldTFM.md)]