Moved registering services to separated class

SchengenVisaApi/SchengenVisaApi/DependencyInjection.cs

@@ -0,0 +1,22 @@
+using System.Reflection;
+
+namespace SchengenVisaApi
+{
+    /// Provides methods to add services to DI-container
+    public static class DependencyInjection
+    {
+        /// Add needed services
+        public static IServiceCollection RegisterServices(this IServiceCollection services)
+        {
+            services.AddControllers();
+            services.AddEndpointsApiExplorer();
+            services.AddSwaggerGen(options =>
+            {
+                var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
+                options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
+            });
+
+            return services;
+        }
+    }
+}

SchengenVisaApi/SchengenVisaApi/Program.cs

@@ -1,5 +1,3 @@
-using System.Reflection;
-
 namespace SchengenVisaApi;
 
 #pragma warning disable CS1591
@@ -8,13 +6,7 @@ public class Program
     public static void Main(string[] args)
     {
         var builder = WebApplication.CreateBuilder(args);
-        builder.Services.AddControllers();
-        builder.Services.AddEndpointsApiExplorer();
-        builder.Services.AddSwaggerGen(options =>
-        {
-            var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
-            options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
-        });
+        builder.Services.RegisterServices();
 
         var app = builder.Build();
             app.UseSwagger();

SchengenVisaApi/SchengenVisaApi/SchengenVisaApi.csproj

@@ -12,4 +12,8 @@
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0"/>
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\ApplicationLayer\ApplicationLayer.csproj" />
+    </ItemGroup>
+
 </Project>