js script installation built with nodejs docker dokku

Hello I have purchased this script : [login to view URL] but due to their bad support not able to get in touch with seller but I need someone from freelancers just to help me install this on our server. I have the complete stepwise installation guide here it is : [login to view URL] I have done all the suggestions from thsi guide but failed you can see the error notice in attachment as well. the server I have its from digitalocean as recommended dokku and ubuntu installed on it. your job is to install this script but using my computer I will grand you full access through teamviwer or anydesk or any software you like but the installation has to be done through my PC please do not bid if you are looking to install from your PC I award someone only who is willing to correct remotely and proceed to installation asap. I need this urgently done now so please bid only if you are ready to work instantly. further after installation I had customizations for this project id you did well I will give that to you. please bid only if you understand what Im looking for thanks.