Method #monitorAppAndServer

src/ignitor/http.ts:67–90

* Monitors the app and the server to close the HTTP server when * either one of them goes down. Sets up event listeners for graceful shutdown. * * @param nodeHttpServer - The Node.js HTTP or HTTPS server instance to monitor * @param app - The application service instance * @param logg

(
    nodeHttpServer: NodeHttpsServer | NodeHttpServer,
    app: ApplicationService,
    logger: LoggerService
  )

   * @param logger - The logger service for error reporting
   */
  #monitorAppAndServer(
    nodeHttpServer: NodeHttpsServer | NodeHttpServer,
    app: ApplicationService,
    logger: LoggerService
  ) {
    /**
     * Close the HTTP server when the application begins to
     * terminate
     */
    app.terminating(async () => {
      debug('terminating signal received')
      await this.#close(nodeHttpServer)
    })

    /**
     * Terminate the app when the HTTP server crashes
     */
    nodeHttpServer.once('error', (error: NodeJS.ErrnoException) => {
      debug('http server crashed with error "%O"', error)
      logger.fatal({ err: error }, error.message)
      process.exitCode = 1
      app.terminate()
    })
  }

  /**
   * Starts the HTTP server on a given host and port using environment variables.