diff --git a/src/IncidentOps.Infrastructure/ServiceCollectionExtensions.cs b/src/IncidentOps.Infrastructure/ServiceCollectionExtensions.cs
new file mode 100644
index 0000000..a4f9b67
--- /dev/null
+++ b/src/IncidentOps.Infrastructure/ServiceCollectionExtensions.cs
@@ -0,0 +1,29 @@
+using IncidentOps.Infrastructure.Auth;
+using IncidentOps.Infrastructure.Data;
+using IncidentOps.Infrastructure.Data.Repositories;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace IncidentOps.Infrastructure;
+
+public static class ServiceCollectionExtensions
+{
+    public static IServiceCollection AddInfrastructure(this IServiceCollection services, string connectionString, JwtSettings jwtSettings)
+    {
+        services.AddSingleton<IDbConnectionFactory>(new DbConnectionFactory(connectionString));
+        services.AddSingleton(jwtSettings);
+
+        services.AddScoped<IUserRepository, UserRepository>();
+        services.AddScoped<IOrgRepository, OrgRepository>();
+        services.AddScoped<IOrgMemberRepository, OrgMemberRepository>();
+        services.AddScoped<IServiceRepository, ServiceRepository>();
+        services.AddScoped<IIncidentRepository, IncidentRepository>();
+        services.AddScoped<IIncidentEventRepository, IncidentEventRepository>();
+        services.AddScoped<IRefreshTokenRepository, RefreshTokenRepository>();
+        services.AddScoped<INotificationTargetRepository, NotificationTargetRepository>();
+
+        services.AddSingleton<ITokenService, TokenService>();
+        services.AddSingleton<IPasswordService, PasswordService>();
+
+        return services;
+    }
+}