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GerstITS.Examples.JobDashboard/Data/InMemoryDatabaseConfigurator.cs

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+using GerstITS.Data.EntityFramework;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+
+namespace GerstITS.Examples.JobDashboard.Data;
+
+/// <summary>
+/// Configures <see cref="JobRunDbContext" /> to use the EF Core InMemory provider
+/// (<c>UseInMemoryDatabase</c>) so the example runs with zero external database dependencies.
+///
+/// All contexts share the same named in-memory database, so records written by one job execution are
+/// visible to the next. No migrations are involved - the InMemory provider creates the model on demand.
+/// </summary>
+public sealed class InMemoryDatabaseConfigurator : DatabaseConfiguratorBase
+{
+    #region Constants
+
+    private const string DatabaseName = "GerstITS.Examples.JobRuns";
+
+    #endregion
+
+    #region Constructors
+
+    public InMemoryDatabaseConfigurator(IConfiguration configuration)
+        : base(configuration)
+    {
+    }
+
+    #endregion
+
+    #region DatabaseConfiguratorBase
+
+    public override void ConfigureModelCreating(ModelBuilder modelBuilder)
+    {
+        // JobRunEntity is mapped by convention; the InMemory provider needs no relational configuration.
+    }
+
+    protected override void ConfigureDatabase(DbContextOptionsBuilder optionsBuilder, string connectionString)
+    {
+        optionsBuilder.UseInMemoryDatabase(DatabaseName);
+    }
+
+    #endregion
+}