         self.services = services
         self.serviceCache = .init()
         self.extend = Extend()
-        self.eventLoop = MultiThreadedEventLoopGroup(numThreads: 1).next()
+        self.eventLoop = eventLoopGroup.next()
         self.router = try self.make(Router.self, for: Application.self)
 
         // boot all service providers

    /// See ServiceCacheable.serviceCache
    public let serviceCache: ServiceCache

    /// See Worker.eventLoop
    public var eventLoop: EventLoop


            let log = try self.make(Logger.self)
            log.warning("Debug build mode detected while configured for release environment: \(environment.name).")
            log.info("Compile your application with `-c release` to enable code optimizations.")
        }
    }
    
    deinit {
        eventLoopGroup.shutdownGracefully {
            if let error = $0 {
                print("[Vapor] shutting down app event loop: \(error)")
            }
        }
    }

