9/23/2023 0 Comments Ef core migrations commands![]() ![]() How to build it and use it in your DevOps pipeline Here is the Bug report in EF Core GitHub repo. If the build is failed, you can use the -verbose flag and will be able to see what is the error. It is because this command will try to access files in the obj folder and VS Code / Visual Studio will protect those files. If you’re opened your project in VS Code or Visual Studio, the dotnet ef migrations bundle command may fail. But if you don’t want to deploy the appsettings.json file and prefer the connection string as environment variable - you can pass the environment variable as the -connection parameter to the bundle.exe. To generate the bundle, you can execute the command dotnet ef migrations bundle - this will generate a bundle.exe file.Īs you can see - by default the bundle.exe will look for the connection string in your appsettings.json file. Once it is done, you can check the migrations folder and verify the migrations file code. Now you can generate the migrations using dotnet ef migrations add InitialMigrations command. net6.0 enable runtime build native contentfiles analyzers buildtransitive all Īnd I have created a DbContext and model classes. Here is my project file - it is a web api project. Then you need to create the application with latest version (preview) of EF Core libraries, I am using library with version 6.0.0-preview.7.21378.4. You can do it by running the following command - dotnet tool install -global dotnet-ef -version 6.0.0-preview.7.21378.4. To get started first you need to install the preview version of dotnet ef tool. NET core runtime, and it doesn’t need the source code or the SDK. It can be generated in your CI / CD pipeline and works with all the major tools (Docker, SSH, PowerShell, etc.). It accepts the connection string as a parameter command line parameter. The migration bundle is a self-contained executable with everything needed to run a migration. ![]() For those who choose the code approach, and to mitigate some of the risks associated with the command line and application startup approaches, the EF Core team introduced the migration bundles in EF Core 6.0 Preview 7. The scripting remains a viable option for migrations. Currently you can deploy your EF Core migrations either using Code Approach where is you can call the migrations with C# code and another approach is using generating scripts and deploying the scripts using SQL CLI tools - I did some one blog post on how to deploy your EF Core database changes in Azure DevOps - it is using the EF Core script approach. This post is about EF Core migration bundles, which is a devops friendly way to deploy your database migrations. Septemby Anuraj Estimated read time : 5 mins Working with DevOps friendly EF Core Migration Bundles ![]()
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