12/1/2023 0 Comments Ef console commands![]() But for now environment variables are our only friends: internal class DesignTimeTestContextFactory : IDesignTimeDbContextFactory The problem is that you can't pass parameters from the command line! There is an open issue on GitHub so hopefully it's going to be addressed in one of the upcoming releases. The factory will need a connection string to initialize the context. As of EF Core 2.0 you can add an implementation of IDesignTimeDbContextFactory interface to the data project that would create the context. The next thing to take care of is DbContext initialization when running CLI commands. You could alternately use the -startup-project switch to point to your actual app project but most likely this is going to be your web app and at the bare minimum it must reference package which you may not be comfortable referencing due to an obvious issue with separation of concerns. Thus, you will need to turn these class libraries into apps: The problem is that CLI requires a 'startup' project to bootstrap the EF context and the startup project needs to be an executable one. NET Standard class libraries containing your data access layer with migrations. It's bit of a shame but even as of 2.0 version of EF Core CLI it's not possible to use. Preparing your data access projects for migrations Adding and updating SQL scripts based on migrations. ![]() Pre-filling the database with static data.Preparing your data access projects for migrations.We're going to cover the following topics: This post is a quick reference on using EF Core migrations to apply incremental changes to the database including schema updates and static data. Open menu Close menu Managing database schema and seeding data with EF Core migrations 15 March 2018 on Entity Framework, Practices
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