Template-API/RT.Infrastructure/DependencyInjection.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using RT.Infrastructure.Data;

namespace RT.Infrastructure;

public static class DependencyInjection
{
    public static IServiceCollection AddInfrastructure(this IServiceCollection services, IConfiguration configuration)
    {
        services.AddDbContext<AppDbContext>(options =>
            options
                .UseNpgsql(configuration.GetConnectionString("DefaultConnection"))
                .UseSnakeCaseNamingConvention());

        return services;
    }
}