diff --git a/cat_cafe/Controllers/CustomersController.cs b/cat_cafe/Controllers/CustomersController.cs
new file mode 100644
index 0000000..398c9dd
--- /dev/null
+++ b/cat_cafe/Controllers/CustomersController.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using cat_cafe.Entities;
+using cat_cafe.Repositories;
+
+namespace cat_cafe.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class CustomersController : ControllerBase
+    {
+        private readonly CustomerContext _context;
+
+        public CustomersController(CustomerContext context)
+        {
+            _context = context;
+        }
+
+        // GET: api/Customers
+        [HttpGet]
+        public async Task<ActionResult<IEnumerable<Customer>>> GetCustomers()
+        {
+            return await _context.Customers.ToListAsync();
+        }
+
+        // GET: api/Customers/5
+        [HttpGet("{id}")]
+        public async Task<ActionResult<Customer>> GetCustomer(long id)
+        {
+            var customer = await _context.Customers.FindAsync(id);
+
+            if (customer == null)
+            {
+                return NotFound();
+            }
+
+            return customer;
+        }
+
+        // PUT: api/Customers/5
+        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
+        [HttpPut("{id}")]
+        public async Task<IActionResult> PutCustomer(long id, Customer customer)
+        {
+            if (id != customer.Id)
+            {
+                return BadRequest();
+            }
+
+            _context.Entry(customer).State = EntityState.Modified;
+
+            try
+            {
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                if (!CustomerExists(id))
+                {
+                    return NotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return NoContent();
+        }
+
+        // POST: api/Customers
+        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
+        [HttpPost]
+        public async Task<ActionResult<Customer>> PostCustomer(Customer customer)
+        {
+            _context.Customers.Add(customer);
+            await _context.SaveChangesAsync();
+
+            return CreatedAtAction("GetCustomer", new { id = customer.Id }, customer);
+        }
+
+        // DELETE: api/Customers/5
+        [HttpDelete("{id}")]
+        public async Task<IActionResult> DeleteCustomer(long id)
+        {
+            var customer = await _context.Customers.FindAsync(id);
+            if (customer == null)
+            {
+                return NotFound();
+            }
+
+            _context.Customers.Remove(customer);
+            await _context.SaveChangesAsync();
+
+            return NoContent();
+        }
+
+        private bool CustomerExists(long id)
+        {
+            return _context.Customers.Any(e => e.Id == id);
+        }
+    }
+}
diff --git a/cat_cafe/Dto/CustomerDto.cs b/cat_cafe/Dto/CustomerDto.cs
new file mode 100644
index 0000000..6a38d6f
--- /dev/null
+++ b/cat_cafe/Dto/CustomerDto.cs
@@ -0,0 +1,11 @@
+using System;
+namespace cat_cafe.Dto
+{
+	public class CustomerDto
+	{
+        public long Id { get; set; }
+        public string? FullName { get; set; }
+        public int Age { get; set; } = 0;
+    }
+}
+
diff --git a/cat_cafe/Entities/Customer.cs b/cat_cafe/Entities/Customer.cs
new file mode 100644
index 0000000..5ea6d82
--- /dev/null
+++ b/cat_cafe/Entities/Customer.cs
@@ -0,0 +1,11 @@
+using System;
+namespace cat_cafe.Entities
+{
+    public class Customer
+    {
+        public long Id { get; set; }
+        public string? FullName { get; set; }
+        public int Age { get; set; } = 0;
+    }
+}
+
diff --git a/cat_cafe/Mappers/CustomerMapper.cs b/cat_cafe/Mappers/CustomerMapper.cs
new file mode 100644
index 0000000..d0f38ea
--- /dev/null
+++ b/cat_cafe/Mappers/CustomerMapper.cs
@@ -0,0 +1,16 @@
+using AutoMapper;
+using cat_cafe.Dto;
+using cat_cafe.Entities;
+
+
+namespace cat_cafe.Mappers
+{
+	public class CustomerMapper:Profile
+	{
+		public CustomerMapper()
+		{
+			CreateMap<Customer, CustomerDto>().ReverseMap();
+		}
+	}
+}
+
diff --git a/cat_cafe/Program.cs b/cat_cafe/Program.cs
index dae595a..e5cb26c 100644
--- a/cat_cafe/Program.cs
+++ b/cat_cafe/Program.cs
@@ -10,6 +10,8 @@ builder.Services.AddDbContext<CatContext>(opt =>
 opt.UseInMemoryDatabase("CatCafe"));
 builder.Services.AddDbContext<BarContext>(opt =>
 opt.UseInMemoryDatabase("CatCafe"));
+builder.Services.AddDbContext<CustomerContext>(opt =>
+opt.UseInMemoryDatabase("CatCafe"));
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
diff --git a/cat_cafe/Repositories/CustomerContext.cs b/cat_cafe/Repositories/CustomerContext.cs
new file mode 100644
index 0000000..a96292f
--- /dev/null
+++ b/cat_cafe/Repositories/CustomerContext.cs
@@ -0,0 +1,14 @@
+using System;
+using cat_cafe.Entities;
+using Microsoft.EntityFrameworkCore;
+namespace cat_cafe.Repositories
+{
+	public class CustomerContext:DbContext
+	{
+        public CustomerContext(DbContextOptions<CustomerContext> options)
+            : base(options)
+        { }
+        public DbSet<Customer> Customers { get; set; } = null!;
+    }
+}
+
diff --git a/cat_cafe/Services/CatsService.cs b/cat_cafe/Services/CatsService.cs
deleted file mode 100644
index 8516d8f..0000000
--- a/cat_cafe/Services/CatsService.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace cat_cafe.Services
-{
-    public class CatsService
-    {
-    }
-}