diff --git a/IdentityServer.Api/appsettings.json b/IdentityServer.Api/appsettings.json
index d9d9a9b..2e73b4d 100644
--- a/IdentityServer.Api/appsettings.json
+++ b/IdentityServer.Api/appsettings.json
@@ -1,4 +1,8 @@
 {
+  "urls": "http://*:5062",
+  "ConnectionStrings": {
+    "DatabaseConnection": "Server=***REMOVED***;Database=IdentityServer_dev;User Id=sa;Password=***REMOVED***;MultipleActiveResultSets=true"
+  },
   "Logging": {
     "LogLevel": {
       "Default": "Information",
diff --git a/IdentityServer.Domain.Data/Class1.cs b/IdentityServer.Domain.Data/Class1.cs
deleted file mode 100644
index 17bf3f4..0000000
--- a/IdentityServer.Domain.Data/Class1.cs
+++ /dev/null
@@ -1,8 +0,0 @@
-using System;
-
-namespace IdentityServer.Domain.Data
-{
-    public class Class1
-    {
-    }
-}
diff --git a/IdentityServer.Domain.Data/DbContexts/IdentityDbContext.cs b/IdentityServer.Domain.Data/DbContexts/IdentityDbContext.cs
new file mode 100644
index 0000000..87919c3
--- /dev/null
+++ b/IdentityServer.Domain.Data/DbContexts/IdentityDbContext.cs
@@ -0,0 +1,25 @@
+using IdentityServer.Domain.Data.EntityTypeConfiguration;
+using IdentityServer.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace IdentityServer.Domain.Data.DbContexts
+{
+    public class IdentityDbContext : DbContext
+    {
+        public DbSet<AppUser> AppUsers { get; set; }
+
+        public IdentityDbContext(DbContextOptions<IdentityDbContext> options)
+            : base(options)
+        {
+            base.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.TrackAll;
+            base.ChangeTracker.AutoDetectChangesEnabled = true;
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            base.OnModelCreating(modelBuilder);
+
+            modelBuilder.ApplyConfiguration(new AppUserConfiguration());
+        }
+    }
+}
diff --git a/IdentityServer.Domain.Data/DependencyInjectionExtensions.cs b/IdentityServer.Domain.Data/DependencyInjectionExtensions.cs
new file mode 100644
index 0000000..959cdc6
--- /dev/null
+++ b/IdentityServer.Domain.Data/DependencyInjectionExtensions.cs
@@ -0,0 +1,26 @@
+using IdentityServer.Domain.Data.DbContexts;
+using IdentityServer.Domain.Data.Repositories;
+using IdentityServer.Domain.Repositories;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.EntityFrameworkCore;
+
+namespace IdentityServer.Domain.Data
+{
+    public static class DependencyInjectionExtensions
+    {
+        public static void AddDataAccess(this IServiceCollection services)
+        {
+            services.AddScoped<IIdentityRepository, IdentityRepository>();
+            
+            services
+                .AddDbContextPool<IdentityDbContext>(
+                 (serviceProvider, options) =>
+                 {
+                     var configuration = serviceProvider.GetService<IConfiguration>();
+                     var connectionString = configuration.GetConnectionString("DatabaseConnection");
+                     options.UseSqlServer(connectionString);
+                 });
+        }
+    }
+}
diff --git a/IdentityServer.Domain.Data/EntityTypeConfiguration/AppUserConfiguration.cs b/IdentityServer.Domain.Data/EntityTypeConfiguration/AppUserConfiguration.cs
new file mode 100644
index 0000000..46add0c
--- /dev/null
+++ b/IdentityServer.Domain.Data/EntityTypeConfiguration/AppUserConfiguration.cs
@@ -0,0 +1,15 @@
+using IdentityServer.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace IdentityServer.Domain.Data.EntityTypeConfiguration
+{
+    class AppUserConfiguration : IEntityTypeConfiguration<AppUser>
+    {
+        public void Configure(EntityTypeBuilder<AppUser> builder)
+        {
+            builder.ToTable("AppUser").HasKey(key => key.UserId);
+            builder.Property(z => z.UserId).ValueGeneratedOnAdd();
+        }
+    }
+}
diff --git a/IdentityServer.Domain.Data/IdentityServer.Domain.Data.csproj b/IdentityServer.Domain.Data/IdentityServer.Domain.Data.csproj
index 9f5c4f4..9f87f66 100644
--- a/IdentityServer.Domain.Data/IdentityServer.Domain.Data.csproj
+++ b/IdentityServer.Domain.Data/IdentityServer.Domain.Data.csproj
@@ -4,4 +4,12 @@
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="$(EntityFrameworkCorePackageVersion)" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\IdentityServer.Domain\IdentityServer.Domain.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/IdentityServer.Domain.Data/Repositories/IdentityRepository.cs b/IdentityServer.Domain.Data/Repositories/IdentityRepository.cs
new file mode 100644
index 0000000..f847f3c
--- /dev/null
+++ b/IdentityServer.Domain.Data/Repositories/IdentityRepository.cs
@@ -0,0 +1,23 @@
+using IdentityServer.Domain.Data.DbContexts;
+using IdentityServer.Domain.Entities;
+using IdentityServer.Domain.Repositories;
+using Microsoft.EntityFrameworkCore;
+using System.Threading.Tasks;
+
+namespace IdentityServer.Domain.Data.Repositories
+{
+    class IdentityRepository : IIdentityRepository
+    {
+        private readonly IdentityDbContext _dbContext;
+
+        public IdentityRepository(IdentityDbContext dbContext)
+        {
+            _dbContext = dbContext;
+        }
+
+        public Task<AppUser> GetAppUser(string userName, string password)
+        {
+            return _dbContext.AppUsers.FirstOrDefaultAsync(z => z.UserName == userName && z.Password == password);
+        }
+    }
+}
diff --git a/IdentityServer.Domain.Data/Scripts/01.AppUser table.sql b/IdentityServer.Domain.Data/Scripts/01.AppUser table.sql
new file mode 100644
index 0000000..46cba40
--- /dev/null
+++ b/IdentityServer.Domain.Data/Scripts/01.AppUser table.sql	
@@ -0,0 +1,18 @@
+if not exists (select top 1 1 from sys.objects where name = 'AppUser' and type = 'U')
+begin
+	create table AppUser
+	(
+		UserId int identity(0, 1) constraint PK_AppUser primary key,
+		UserName varchar(100) not null,
+		[Password] varchar(100) not null,
+		CreationDate datetime constraint DF_AppUser_CreationDate default getdate()
+	)
+end
+go
+
+if not exists (select top 1 1 from AppUser)
+begin
+	insert into AppUser(UserName, [Password])
+	select '***REMOVED***', '***REMOVED***'
+end
+go
\ No newline at end of file
diff --git a/IdentityServer.Domain/Class1.cs b/IdentityServer.Domain/Class1.cs
deleted file mode 100644
index a043e86..0000000
--- a/IdentityServer.Domain/Class1.cs
+++ /dev/null
@@ -1,8 +0,0 @@
-using System;
-
-namespace IdentityServer.Domain
-{
-    public class Class1
-    {
-    }
-}
diff --git a/IdentityServer.Domain/Entities/AppUser.cs b/IdentityServer.Domain/Entities/AppUser.cs
new file mode 100644
index 0000000..b9ed4e4
--- /dev/null
+++ b/IdentityServer.Domain/Entities/AppUser.cs
@@ -0,0 +1,12 @@
+using System;
+
+namespace IdentityServer.Domain.Entities
+{
+    public class AppUser
+    {
+        public int UserId { get; set; }
+        public string UserName { get; set; }
+        public string Password { get; set; }
+        public DateTime CreationDate { get; set; }
+    }
+}
diff --git a/IdentityServer.Domain/Repositories/IIdentityRepository.cs b/IdentityServer.Domain/Repositories/IIdentityRepository.cs
new file mode 100644
index 0000000..1c6f544
--- /dev/null
+++ b/IdentityServer.Domain/Repositories/IIdentityRepository.cs
@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace IdentityServer.Domain.Repositories
+{
+    public interface IIdentityRepository
+    {
+    }
+}
diff --git a/dependencies.props b/dependencies.props
index 40ace42..b606756 100644
--- a/dependencies.props
+++ b/dependencies.props
@@ -9,5 +9,6 @@
     <AutoMapperExtensionsPackageVersion>7.0.0</AutoMapperExtensionsPackageVersion>
     <MediatRPackageVersion>6.0.0</MediatRPackageVersion>
     <SwashbucklePackageVersion>5.3.1</SwashbucklePackageVersion>
+    <EntityFrameworkCorePackageVersion>3.1.3</EntityFrameworkCorePackageVersion>
   </PropertyGroup>
 </Project>
\ No newline at end of file