Console.log("Welcome");

Deploying Telegram ChatBot to Heroku

Steps to Deploy your ChatBot to heroku

• Make a new folder in which all the required files will be present.

• Copy your python script to this folder.

• Open cmd/terminal and navigate to this folder.

• To deploy to heroku we need to create python virtual environment. So make a virtual environment folder using the command :

  virtualenv YOUR_FOLDER_NAME
  

• Activate the virtual environment by :

  • For linux : source YOUR_FOLDER_NAME/bin/activate

  • For windows: YOUR-FOLDER-NAME\Scripts\activate

• Install the Gunicorn and Flask modules for deploying to heroku :

  pip install gunicorn flask
  

• You need to install other required modules which are used by your python script in the same way.

• Now we need to create requirements.txt file from cmd/terminal :

  pip freeze>requirements.txt
  

• Create a procfile :

  • Windows : echo web: gunicorn YOUR_PYTHON_SCRIPT_NAME : YOUR_FLASK_APP_NAME > Procfile

  • Linux : web: gunicorn YOUR_PYTHON_SCRIPT_NAME : YOUR_FLASK_APP_NAME

• To test on localhost run the python script and goto localhost

• Above steps were to create all the necessary files required by heroku.

• In order to deploy to heroku, first you need to create a heroku account Heroku and download Heroku CLI

• After creating your heroku account and installing heroku CLI, create a new heroku app from their web UI.

• Login to your account through cmd/terminal using :

  heroku login

• If you are not in your project folder then navigate to your project folder. Now create a new git repo using :

  git init  
  heroku git:remote -a YOUR_HEROKU_APP_NAME
    
  # Deploy your application  
  git add .  
  git commit -am "commiting a change"  
  git push heroku master
  

• Scaling dynos Read here :

  heroku ps:scale web=1
  

• To open the website :

  heroku open
  

Creating Telegram Webhook

• Goto this link and change: heroku_web_app_url to your heroku web-app’s url :

  https://api.telegram.org/bot<bot-token>/setWebhook?url=<heroku_web_app_url>

• You should see something like this in your web browser:

  {"ok":true,"result":true,"description":"Webhook was set"}

Useful Links

Link 1 Link 2 Link 3

Contact

Ping me on Gmail for any query: ankurchaudhary627@gmail.com