i'm not sure what i'm doing

SurveyBackend/SurveyBackend.API/Program.cs

@@ -1,3 +1,8 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+using SurveyBackend.Core.Models;
+using SurveyBackend.Infrastructure.Data;
+
 namespace SurveyBackend;
 
 public class Program
@@ -8,7 +13,16 @@ public class Program
 
         // Add services to the container.
         builder.Services.AddAuthorization();
-        
+
+        builder.Services.AddDbContext<DataContext>(options =>
+        {
+            options.UseSqlite(builder.Configuration.GetConnectionString("DefaultConnection"));
+        });
+
+        builder.Services.AddIdentity<User, IdentityRole<int>>(options => { })
+            .AddEntityFrameworkStores<DataContext>()
+            .AddDefaultTokenProviders();
+
         builder.Services.AddControllers();
 
         // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
@@ -25,9 +39,9 @@ public class Program
         }
 
         app.UseAuthorization();
-        
+
         app.MapControllers();
-        
+
         app.Run();
     }
 }

SurveyBackend/SurveyBackend.API/SurveyBackend.API.csproj

@@ -9,7 +9,13 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.2"/>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.3" />
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0"/>
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\SurveyBackend.Core\SurveyBackend.Core.csproj" />
+      <ProjectReference Include="..\SurveyBackend.Infrastructure\SurveyBackend.Infrastructure.csproj" />
+    </ItemGroup>
+
 </Project>

SurveyBackend/SurveyBackend.API/appsettings.Development.json

@@ -4,5 +4,8 @@
       "Default": "Information",
       "Microsoft.AspNetCore": "Warning"
     }
+  },
+  "ConnectionStrings": {
+    "DefaultConnection": "Data Source=Application.db"
   }
 }

SurveyBackend/SurveyBackend.API/appsettings.json

@@ -5,5 +5,8 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "DefaultConnection": "Data Source=Application.db"
+  }
 }