Hangfire -Erstellungstisch mit Efcore

//////////// Program.cs ///////////////////////////

using Hangfire;
using Hangfire.EntityFrameworkCore;

var builder = WebApplication.CreateBuilder(args);

// adding your other services here 

builder.Services.AddDbContextFactory<DBContext>(options => options.UseNpgsql("Connection_String"));

builder.Services.AddHangfire((serviceProvider, configuration) =>
    configuration.UseEFCoreStorage(
        () => serviceProvider.GetRequiredService<IDbContextFactory<DBContext>>().CreateDbContext(),
        new EFCoreStorageOptions
        {
            CountersAggregationInterval = new TimeSpan(0, 5, 0),
            DistributedLockTimeout = new TimeSpan(0, 10, 0),
            JobExpirationCheckInterval = new TimeSpan(0, 30, 0),
            QueuePollInterval = new TimeSpan(0, 0, 15),
            Schema = string.Empty,
            SlidingInvisibilityTimeout = new TimeSpan(0, 5, 0),
        }));

builder.Services.AddHangfireServer(options => options.WorkerCount = 1);

// your other code of Program.cs

//////////// DBContext.cs ///////////////////////////////

using Hangfire.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore;

namespace EFCore;

public class DBContext : DbContext
{
    public DBContext(DbContextOptions<DBContext> options) : base(options)
    {
        
    }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        base.OnModelCreating(modelBuilder);
        modelBuilder.OnHangfireModelCreating();
    }   
}
Sajjad Al-khafaji