I assume you are talking about the following ChatBot
If you are, then you can check this guide
Preparing deployment of ChatBot
You would first need to deploy NodeJS on your ubuntu server.
Once you have NodeJS installed, you’ll need to install atleast Python 3.5. To do so, you can execute the following on your server
sudo apt-get update
sudo apt-get -y upgrade
Once you have your enviroment upgrade, you’ll need to install some additional packages:
npm install socket.io
npm install express
Now you’ll be ready to deploy chatbot.
To do so, you’ll need to use git. Enter the directory you wish to deploy chat bot and run the following command:
git clone https://github.com/Gabryxx7/chatbot-node-rasa.git
Now the last bit, to start chatbot just execute
sudo node index.js
You should get the following reply
root@Testinggg:/var/www/html/chatbot-node-rasa# sudo node index.js
Chatbot is listening on port 8000!