feat: add core persistence model

Tiku.DbMigrator/DesignTimeTikuDbContextFactory.cs

@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+using Tiku.Infrastructure.Persistence;
+
+namespace Tiku.DbMigrator;
+
+public sealed class DesignTimeTikuDbContextFactory : IDesignTimeDbContextFactory<TikuDbContext>
+{
+    public TikuDbContext CreateDbContext(string[] args)
+    {
+        var connectionString =
+            Environment.GetEnvironmentVariable("DATABASE_URL") ??
+            "Host=localhost;Database=tiku;Username=postgres";
+
+        var options = new DbContextOptionsBuilder<TikuDbContext>()
+            .UseNpgsql(connectionString, npgsql =>
+                npgsql.MigrationsAssembly(typeof(TikuDbContext).Assembly.FullName))
+            .Options;
+
+        return new TikuDbContext(options);
+    }
+}