FuelAndLubricants/FuelAndLubricants/FuelAndLubricants.csproj

@@ -8,4 +8,8 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Unity" Version="5.11.10" />
+  </ItemGroup>
+
 </Project>

FuelAndLubricants/FuelAndLubricants/Program.cs

@@ -1,3 +1,7 @@
+using FuelAndLubricants.Repositories;
+using FuelAndLubricants.Repositories.Implementations;
+using Unity;
+
 namespace FuelAndLubricants
 {
     internal static class Program
@@ -11,7 +15,21 @@ namespace FuelAndLubricants
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
             ApplicationConfiguration.Initialize();
-            Application.Run(new Form1());
+            Application.Run(CreateContainer().Resolve<Form1>());
+        }
+
+        private static UnityContainer CreateContainer()
+        {
+            var container = new UnityContainer();
+
+            container.RegisterType<ICarRepository, CarRepository>();
+            container.RegisterType<IDriverRepository, DriverRepository>();
+            container.RegisterType<IFuelRepository, FuelRepository>();
+            container.RegisterType<IRefillRepository, RefillRepository>();
+            container.RegisterType<IRouteRepository, RouteRepository>();
+            container.RegisterType<ITripRepository, TripRepository>();
+
+            return container;
         }
     }
 }