repositories_high_coupling.cs

namespace IssueTracker.Services
{
    public class TicketServices : ITicketServices
    {
        private ITicketRepository TicketRepository { get; }
        private ITransactionRepository TransactionRepository { get; }
        private ILogger<TicketServices> Logger { get; }
        private IssueTrackerDbContext DbContext { get; }

        public TicketServices()
        {
            this.Logger = new TicketServiceLogger();
            this.DbContext = new IssueTrackerDbContext();
            this.TicketRepository = new TicketRepository();
            this.TransactionRepository = new TransactionRepository();
        }

        ...
    }
}

namespace IssueTracker.Models.Repositories
{
    public class TicketRepository : ITicketRepository
    {
        private IssueTrackerDbContext DbContext { get; }
        
        public TicketServices()
        {
            this.DbContext = new IssueTrackerDbContext();
        }

        ...
    }
}