Run your database migration when your ASP.NET Core host service starts up. This ensures that database is always at latest compatible state before operating the service. This is made using Yuniql.AspNetCore nuget package. Package can be used for Worker and WebApp services.

• .NET Core 3.0+ SDK
• SQL Server or Azure SQL Database
• Docker Client, if you choose SQL Server on Container

Deploy an SQL Server on Linux container or use your preferred instance.

docker run -e "ACCEPT_EULA=Y" -e "MSSQL_SA_PASSWORD=P@ssw0rd!" -p 1400:1433 -d mcr.microsoft.com/mssql/server:2017-latest

Create new web app

dotnet --version
3.0.100

dotnet new web -o aspnetcore-sample
cd aspnetcore-sample

Add Yuniql.AspNetCore

dotnet add package Yuniql.AspNetCore
dotnet build

Copy sample database into _db directory in your project

git clone https://github.com/rdagumampan/yuniql.git c:\temp\yuniql-aspnetcore
cd c:\temp\yuniql-aspnetcore\samples\basic-sqlserver-sample

Modify the Configure method of Startup.cs, add these lines

using Yuniql.AspNetCore;
...
...

var traceService = new ConsoleTraceService { IsDebugEnabled = true };
app.UseYuniql(traceService, new YuniqlConfiguration
{
	WorkspacePath = Path.Combine(Environment.CurrentDirectory, "_db"),
	ConnectionString = "Server=localhost,1400;Database=yuniqldb;User Id=SA;Password=P@ssw0rd!",
	AutoCreateDatabase = true
});

Test run

dotnet build
dotnet run --debug

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