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Page: Hosting your bot
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Adding defaults to your bot Arbitrary callback_data Architecture Ask Right Ask Support Avoiding flood limits Bot API Forward Compatibility Bots built with PTB Builder Pattern Code snippets Concurrency Emoji Examples Exception Handling Exceptions, Warnings and Logging Extensions Advanced Filters Extensions JobQueue Extensions Your first Bot Extensions – Advanced Filters Extensions – JobQueue Extensions – Your first Bot Frequently Asked Questions Frequently requested design patterns Handling network errors Home Hosting your bot InlineKeyboard Example Internal test bots Introduction to the API Local Bot API Server MWE Making your bot persistent Notes about GAE Google App Engine PTB test writing knowledge base Performance Optimizations Press Project Bots, Groups and Channels Related Projects Storing bot, user and chat related data Storing user and chat related data Telegram Passport Transition guide to Version 12.0 Transition guide to Version 13.0 Transition guide to Version 20.0 Transition guide to Version 4.0 Transition guide to Version 5.0 Type Checking Types of Handlers Webhooks Where to host Telegram Bots Working Behind a Proxy Working with Files and Media Writing Tests
17 Hosting your bot
Dmitry Kolomatskiy edited this page 2023-05-26 18:08:35 +03:00
Table of Contents

Introduction

You will need a VPS (or dedicated server) first. Check out the list at Where to host Telegram Bots if you don't have one already.

First login

Your login details should contain

  • The IP address of your server
  • Your username (usually root)
  • Your password

You should also receive some information on the type of server you got, including Operating System, RAM, storage and monthly traffic.

Once you received that information, you can connect to the server via SSH.

Note that although the explanations below mention entering your password, it is strongly recommended to authenticate using a SSH public key instead of the password. You can read this explanation on how to generate keys and send the public key to the server, or check your VPS provider's documentation.

Linux

Run the following command in the terminal and replace <user> with your username and <ip> with your servers IP address:

ssh <user>@<ip>

Confirm that you want to trust the host and enter the password if you are asked to do so.

Windows

Install puTTY and start it.

In the field Host Name (or IP address) enter the IP address of your server. As the connection type, select SSH and set Port to 22. You can save these settings my entering a name in the field below Saved Sessions and clicking Save. Then, click Open and enter your username and password when asked to do so.

Setup

First, install the Python package manager pip.

apt-get update && apt-get install python3-pip

Now, install the python-telegram-bot library:

pip3 install python-telegram-bot

Finally, confirm the installation:

python3 -c "import telegram;print(telegram.__version__)"

Of course, this is the easy way; the correct way (especially if you have multiple Python projects on your server) is to install a virtual environment (like pipenv or poetry) first.

Upload your bot's files

Now you can upload your bot to the server. There are multiple ways to do that, one way is to use FileZilla. Install it (if you're on Linux, chances are you already have it) and start it. Open the Server Manager and create a new server with the button on the left. Give it a nice name, then go to the right and fill in the fields:

  • Server: Your servers IP address
  • Port: 22
  • Protocol: SFTP
  • Connection type: Normal
  • Username: Your username
  • Password: Your password

Now, click Connect. You will probably see the /root directory (your user's home directory) on the right and your local files on the left. Create a directory for your bot and upload all the files needed by your bot into that directory.

Start your bot

To run your bot, connect to your server again via SSH (or go back to the connection) and cd into the directory you created. You could now immediately start the bot, but then it would stop working once you disconnect from the server. There are again several ways to make sure that doesn't happen:

  1. Use a terminal multiplexer like screen or tmux.
  2. Run your bot as a systemd service.

Running your bot in a terminal multiplexer

screen is called a "terminal multiplexer". It creates virtual terminals that you can attach to and detach from and that can run processes without you being logged in.

Create a new screen and attach to it:

screen -S mybot

Start the bot:

python3 bot.py

Detach from the screen by holding CTRL and pressing A, then D. You can now disconnect from the server by typing exit if you want.

To re-attach to the screen after you logged back in:

screen -r mybot

or

screen -d -r mybot

A known alternative to screen is tmux.

Running your bot as a systemd service

Choosing this option will mean that your Python program will be running in the background. Another upside to this option is that you can set it up to start at system boot, which means that if you reboot your server (e.g. to apply system upgrades), your bot will start automatically afterwards.

  1. Install python-dotenv.
  2. Create the .env file and put your bot-related environment variables in there (you didn't put your bot token right into your code, hopefully!). If you're using Git, make sure .env is in .gitignore so it doesn't get checked in.
  3. Follow e.g. this tutorial to run your Python script as a service. If you're using a virtual environment (see this external article for details), you have to locate the Python executable first. To do that, activate the virtual environment on the remote server and enter which python in your bash console. You will get a path to the Python instance you will need to use when configuring systemd.

Steps 1 and 2 are optional if you're not using any virtual environment, but it's better to go through them anyway because if you set the environment variables manually, they will be lost after system reboot.

What to read next?

If you plan on hosting multiple bots on your server, it's recommended to use virtualenv. It allows you to install and upgrade Python modules via pip for one project, without worrying how it affects other projects on the server. Read this external article for more information.

Learn about how to use a webhook for your bot in this article.

You might also read the article on Performance Optimizations if you didn't read it yet.

Must read

  1. Introduction to the API
  2. Tutorial: Your first bot
  3. FAQ
  4. How to ask good questions
  5. How to write an MWE

Concepts & Important Elements

  1. Architecture Overview
  2. Builder Pattern for Application
  3. Types of Handlers
  4. Working with Files and Media
  5. Exceptions, Warnings and Logging
  6. Concurrency in PTB

Notable Features

  1. Advanced Filters
  2. Storing data
  3. Making your bot persistent
  4. Adding Defaults
  5. Job Queue
  6. Arbitrary callback_data
  7. Avoiding flood limits
  8. Webhooks
  9. Bot API Forward Compatiblity

Code Resources

  1. Frequently requested design patterns
  2. Code snippets
  3. Performance Optimizations
  4. Telegram Passport
  5. Bots built with PTB
  6. Automated Bot Tests

Examples explained

  1. InlineKeyboard Example

Networking

  1. Working Behind a Proxy
  2. Handling network errors

Other resources

  1. Where to host Telegram Bots
  2. How to host your bot
  3. Local API Server
  4. Type Checking with PTB
  5. Press
  6. Notes on GAE
  7. Related Projects
  8. Emoji

Transition Guides

Administration