TelegramBotDemo

Simple Telegram Bot

Find here the source code of the Advanced Telegram Chatbots: features that make a difference article.

Table of Contents

• Setup
• Run on Local
• Deploy to Heroku with Git
• Deploy to Heroku with Docker (on x86-64 architecture)
• Deploy to Heroku with Docker (on ARM architecture)

Table of contents generated with markdown-toc

Setup

Clone the repository

git clone https://github.com/gcatanese/TelegramBotDemo.git

Create and .env file in the same folder as app.py. The .env file defines the environment variables.

• TELEGRAM_TOKEN={your Telegram token} [here]

Run on Local

Run the application

cd telegram_bot
python telegram_bot.py

Access the bot via the deeplink https://t.me/{bot_username} and start chatting

Note: the chatbot runs in Polling mode

Deploy to Heroku with Git

Prerequisites

• Heroku CLI
• requirements.txt must be in the root folder, it defines the required dependencies
• runtime.txt must be in the root folder, it sets the Python version
• Procfile must be in the root folder, it declares the startup command

Create and Configure the Heroku app

Create a new app

heroku create advancedtelegrambot

Check the remote is correct

git remote -v

Note: the remote is called heroku by default but it can be renamed

Define the Python buildpack

heroku buildpacks:set heroku/python

Configure the environment variables (Heroku Config Vars)

heroku config:set TELEGRAM_TOKEN="{your Telegram token}"
heroku config:set MODE="webhook"
heroku config:set WEBHOOK_URL="https://advancedtelegrambot.herokuapp.com/"

Deploy

git push heroku main

Deploy to Heroku with Docker (on x86-64 architecture)

When working on Intel64 architecture the Docker image can be built and pushed using the Heroku CLI.

Prerequisites

• Heroku CLI
• Dockerfile must be in the root folder
• Login into the Heroku Docker Registry: heroku container:login

Create and Configure the Heroku app

Create a new app

heroku create advancedtelegrambot

Configure the environment variables (Heroku Config Vars)

heroku config:set TELEGRAM_TOKEN="{your Telegram token}"
heroku config:set MODE="webhook"
heroku config:set WEBHOOK_URL="https://advancedtelegrambot.herokuapp.com/"

Build and push the image

heroku container:push web

Release the image

heroku container:release web

Deploy to Heroku with Docker (on ARM architecture)

When working on ARM architecture the Docker image needs to be made compatible with Heroku x64, using the Docker command line together with the Buildx plugin.

Prerequisites

• Heroku CLI
• Dockerfile must be in the root folder
• Login into the Heroku Docker Registry: heroku container:login

Create and Configure the Heroku app

Create a new app

heroku create advancedtelegrambot

Configure the environment variables (Heroku Config Vars)

heroku config:set TELEGRAM_TOKEN="{your Telegram token}"
heroku config:set MODE="webhook"
heroku config:set WEBHOOK_URL="https://advancedtelegrambot.herokuapp.com/"

Build the image setting the platform used by Heroku

docker buildx build --platform linux/amd64 -t advancedtelegrambot .

Tag the image following Heroku naming conventions

docker tag advancedtelegrambot registry.heroku.com/advancedtelegrambot/web

Push the image into Docker Registry

docker push registry.heroku.com/advancedtelegrambot/web

Release the image

heroku container:release web -a advancedtelegrambot