![]() ![]() For a list of Runtime Identifiers (RIDs), see the RID catalog.ĭon't build the project. The identifier of the target runtime to restore packages for. The build configuration, for example: Debug or Release. Use when the project file specifies multiple target frameworks, and you want to select one of them. The Target Framework Moniker for the target framework. ![]() Relative path to the project folder of the startup project. Relative path to the project folder of the target project. If there are multiple context classes, this option is required. If this option is omitted, EF Core will find the context class. Class name only or fully qualified with namespaces. Any extra arguments not used by dotnet ef are forwarded to the app. The - token directs dotnet ef to treat everything that follows as an argument and not try to parse them as options. dotnet ef database update -environment Production This and any additional arguments are passed into Program.CreateHostBuilder. You can specify the environment for ASP.NET Core projects on the command-line. The dummy project you create to use as startup project provides a concrete target platform into which the tools can load the. NET Standard is not sufficient for the EF Core tools to execute application code. NET implementation it's a specification of a set of APIs that. They can't do that if the EF Core model is in a. NET Framework, the EF Core tools borrow the runtime from the project. When the EF Core model is in a project that targets. Why is a dummy project required? As mentioned earlier, the tools have to execute application code at design time. The project can be a dummy project with no real code - it is only needed to provide a target for the tooling. NET Core console app project whose only purpose is to act as startup project for the tools. ![]() For example, this is true of Xamarin and Universal Windows Platform apps. NET Standard class library might not have a. It's also possible to put migrations code in a class library separate from the EF Core context. NET Core console app or web app references the class library.
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