Dependency injection

Infrastructure/Persistence/DatabaseDependencyInjection.cs

@@ -0,0 +1,23 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Musify.Application.Contracts.Infrastructure;
+
+namespace Musify.Infrastructure.Persistence
+{
+    public static class DatabaseDependencyInjection
+    {
+        public static void AddDatabase(this IServiceCollection serviceDescriptors, IConfiguration configuration)
+        {
+            var connectionString = configuration.GetConnectionString("Default")
+                ?? throw new InvalidOperationException("Default Connection connection string not found.");
+
+            serviceDescriptors.AddDbContext<Database>(options =>
+            {
+                options.UseNpgsql(connectionString);
+            } );
+
+            serviceDescriptors.AddScoped<IDatabase>(serviceProvider => serviceProvider.GetRequiredService<Database>());
+        }
+    }
+}