Full Stack Telegram Bot from Scratch(Python + PSQL + Heroku)

Name: Full Stack Telegram Bot from Scratch(Python + PSQL + Heroku)
Rating: 4.0 (98 reviews)

How to build and deploy complete telegram bot with connected database

Created byDmytro Malyshenko

Last updated 7/2023

English

What you'll learn

create telegram bot from scratch
build and connect Postgres Database to the application
deploy the application to Heroku and make it accessible for all telegram users
learn basic functionality of Heroku
improve Python knowledge
get knowledge of Telegram Bot API

Course content

6 sections • 36 lectures • 2h 25m total length

Introduction1:48
What is telegram bot?4:33
Create bot via BotFather0:47
Register a Telegram user, locate BotFather, and create a new Telegram bot named Udemy Telegram course bot, then copy its token and begin setting up the development environment.
Set up PyCharm. Install python-telegram-bot module2:13
There is a new version of "python-telegram-bot" lib which is not backward compatible.
Accordingly, for the course purposes please install the particular version 13.14.

The command which can be used:
pip install python-telegram-bot~=13.14
Code first lines. Make bot to respond2:34

Define the goals. Extract token to the environment variable.1:59
Core functionality and classes of python-telegram-bot module6:28
Add reply keyboard with "Add reminder" button.2:04
Create conversation handler. Add reminder and enter message handlers7:37
Enter time handler. Store reminders in memory.5:00
What're threads?2:37
Background task. Fire reminders when time comes.8:06
Implement a cron-like background task using python threading to scan reminders, use a fired flag and time check to fire messages, and run every 30 seconds in a daemon thread.

PostgreSQL statements9:52
Set up Postgres. Create database and user2:52
PostgreSQL Quiz
Implement DataSource class which will work with DB4:14
Learn to implement a postgres-backed data source in Python using psycopg2, with logging, connect/close helpers, create_tables, and methods to create, fetch, and fire reminders.
Refactor ReminderData class2:10
Apply required changes to main.py4:18
Test the bot, check the data in DB2:43

What is deployment and Heroku?5:13
Deploy and manage apps with Heroku, pushing to the Heroku remote using Git to run web and worker dynos defined by a Procfile, with add-ons, variables, and logs via Logplex.
Configure GitHub. Push all changes to remote2:29
Create Heroku app. Add configuration files.6:26
Set up Postgres add-on on Heroku1:33
Make bot work on the server6:46
Refactor the bot to run on the server using a webhook in prod while retaining polling for development, configure mode, logging, and environment variables, and deploy to Heroku.
Heroku Logs + Dataclips1:34
Monitor your app with heroku logs, view processes, and inspect access events. Create and run sql queries using dataclips on heroku postgres to fetch table data such as reminders.
Finish course. How to improve bot?0:52
Finish the course by refining a Telegram bot from scratch, connecting a Postgres database, and deploying on Heroku. Improve accessibility and security with time zone support, emojis, and encrypted messages.

Requirements

have basic knowledge of any programming language
be registered telegram user
be able to register on GitHub and Heroku
be able to download PSQL and PyCharm

Description

Welcome to the course!

In this course you will:

create your own Telegram bot from scratch
build PSQL database and write all basic SQL queries
deploy Python application to the Heroku server and work with its features

It's designed for anyone who wants to learn how to build your first custom telegram bot with a connected database and deployment to the popular web server.

I'll take you step-by-step through engaging video tutorials and teach you everything you need to know to succeed.

The course includes 2 hours of HD video tutorials with clear captions and builds your programming knowledge while making real and functional bot.

Throughout this course, we cover a massive amount of tools and technologies, including:

Python 3 - the latest version of Python
Python multithreading topic
PyCharm
Telegram API
python-telegram-bot, and psycopg2 python modules
Database PostgreSQL
Git, GitHub and Version Control
Deployment and Heroku
and much more!

By the end of this course, you will be programming in Python completely your own and custom bot! It will be able to store any information you want in a dedicated database! And it will be available for any Telegram user!

Telegram is the way of the future, accordingly, why not build a useful bot which will make someone's life easier!
So what are you waiting for?

Who this course is for:

people interested in telegram bots and how to build and deploy complete application
developers curious about Telegram Bots
students willing to learn modern technologies

Full Stack Telegram Bot from Scratch(Python + PSQL + Heroku)

What you'll learn

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Course content

Create and configure a bot. Make it respond.5 lectures • 12min

Python basics (optional)9 lectures • 37min

Basic functionality of the bot. Background task for monitoring.7 lectures • 34min

Connect Postgres database6 lectures • 26min

Deploy to Heroku7 lectures • 25min

Migration python-telegram-bot from v13 to v202 lectures • 12min

Requirements

Description

Who this course is for: