3v-Hosting Blog
14 min read
Many years ago, Telegram became the first messenger and social platform to allow its users to create their own automated systems based on so-called bots. A Telegram bot is no longer just an automatic responder, as in the chat rooms of the early internet era. In 2026, a bot can be an online storefront, an online booking system, a mini-CRM, a support service, an educational platform, or a full-fledged SaaS product. And the number of ways to use Telegram bots is constantly growing, as this tool has proven to be really convenient and functional.
And the more serious your project is, the sooner you will face the question of infrastructure stability and start thinking about where to host your Telegram bot so that it works stably, quickly, and predictably.
While the bot is being developed and tested, it can easily be run on your own laptop. But as soon as the tool gets real users, running it locally becomes not just a weak link, but literally a faux pas. The connection breaks, the laptop goes to sleep, the internet channel is unstable, and the IP address can change dynamically.
It would seem that any cheap hosting service could be the solution to the problem. But shared hosting may not live up to expectations, as it often has restrictions on background processes, prohibits open ports, and in such cases, there is no possibility of flexible configuration of the environment.
As a result, the most rational option for hosting and publishing a Telegram bot remains VPS. But how do you choose the right virtual server without overpaying and running out of resources in a month or two?
Let's figure this out and find out all the details, from the requirements for a specific server to future scaling issues.
The entire Telegram ecosystem works through an API. This means that your server constantly exchanges data with the Telegram infrastructure when your bot receives updates, sends messages, or processes any events.
If your server becomes unavailable at any point, the bot simply goes silent and the end user has no way of knowing that the problem is on your end. As a result, without getting what they want, the user simply leaves.
So, using a VPS server for a Telegram bot provides several critical advantages:
Unlike shared hosting, a virtual server allows you to run processes continuously, configure systemd, use Docker, Redis, PostgreSQL, and any other services that are necessary for your bot's logic to work.
In essence, a VPS is the minimum acceptable level of infrastructure that allows your bot to function as a real product service, rather than a home experiment.
A very common mistake is to either choose the cheapest VPS, as they say, “just enough,” or one with a very large reserve for the future. Both approaches can be wrong and can lead to unexpected unpleasant surprises in the future.
To choose a server for a specific Telegram bot in a conscious manner, you need to understand what server resources it will consume.
Most bots do not load the processor continuously, and the load is often periodic, since the service is mainly in standby mode, but then the load appears at moments of processing events, messages, commands, and callback requests.
If the bot is written in Python (aiogram), Node.js, or PHP and does not perform heavy calculations, 1 vCPU is sufficient to start.
But the situation can change dramatically if the bot:
In such cases, the number of processors needs to be increased, and a server with two vCPUs will be a safer choice.
It is logical that the CPU affects the speed of operation and the speed of calculations, since all logical operations are performed in the central processor (we will talk about the GPU separately). Therefore, when the processor is overloaded, delays begin to increase, and as a result, the user writes a message or sends a request and waits for a response longer than usual. You may not notice this in the logs, but it is very noticeable in the user experience.
If the CPU is responsible for the speed of data and event processing, then RAM is the basis of stability, since the amount of RAM is literally responsible for the amount of data your server can work with at the same time.
Memory shortage is the most common cause of Telegram bot crashes, because when RAM runs out, Linux starts using swap (or a swap file), and as a result, the performance of the entire system drops and the bot starts to freeze.
For a simple bot that does not use any databases in its work, a server with 1 GB of RAM is sufficient. But if you intend to use MySQL, PostgreSQL, or Redis, especially with large queries, it is better to aim for at least 2 GB of RAM or more.
Ideally, for projects with multiple services, such as the bot itself, API, database, and some kind of cache, 2 GB of RAM is the minimum comfortable level, which can always be expanded, but more on that later.
A Telegram bot may seem like a fairly lightweight service, but it uses the disk more actively than is commonly thought. Even a simple bot constantly records logs, stores temporary files, creates database dumps, accumulates application service data, etc. And if Docker or even a database is used, the load on the disk subsystem increases even more. Therefore, the type of storage directly affects the stability and speed of the bot.
SSD is now the minimum standard for production. After all, conventional HDDs are slow and cause delays when writing logs and executing database queries, and nowadays they are practically not used for VPS servers. Of course, NVMe is the most preferable option, especially if the bot actively works with data or serves a large number of users, because the higher the input/output speed, the lower the delays, and this makes the system's performance more predictable under load.
As for the volume, 20-40 GB is usually enough to start with. This is enough for the operating system, the application, a moderate-sized database, and even backups. But if the bot is designed to receive a large number of files, store media, or keep detailed logs, it is better to build in a reserve right away, because an overfilled disk is one of the most common causes of unexpected failures. Make sure that there is always enough free space on the disk, at least 20% of the total volume.
Now that we have briefly reviewed the main parameters of the required VPS, we can summarize this information in a table that will make it easier for us to navigate when choosing a server:
| Scenario | CPU | RAM | Storage | Load Type | Additional Services | Mode | Suitable For |
|---|---|---|---|---|---|---|---|
| Test Bot | 1 vCPU | 1 GB | 20 GB SSD | Low, infrequent requests | No separate DB or SQLite | Polling or webhook | MVP, prototype, up to 1,000 users |
| Small Production Project | 1-2 vCPU | 2 GB | 30-40 GB SSD/NVMe | Moderate, regular requests | PostgreSQL or MySQL | Webhook | Small business, notification services, 1,000-5,000 users |
| Business Project | 2 vCPU | 2-4 GB | 40-60 GB NVMe | Continuous activity, peak loads | PostgreSQL + Redis | Webhook | Online services, CRM integrations, 5,000-10,000 users |
| Increased Load | 4 vCPU | 4-8 GB | 80+ GB NVMe | High concurrency | Database + cache + background workers | Webhook | E-commerce, payment bots, mass notifications |
| Intensive Processing | 4-8 vCPU | 8+ GB | 100+ GB NVMe | Media processing, AI, reporting | Multiple services, Docker | Webhook | AI bots, analytics, file generation, large-scale services |
This table is not universal, but rather helps to clearly understand the order of necessary resources.
We know that Telegram is a distributed platform with a global infrastructure, but your bot does not run in the abstract Telegram cloud, but on a specific server located in a specific country. And the distance between the end user and this server directly affects the response delay.
If the main audience of your project is in Europe, it would be logical to place the VPS in a European region, for example, in Ukraine or the Netherlands. Well, for an audience from the US, of course, it is worth choosing an American data center. This is not a marketing recommendation, but a matter of network physics, because the closer the server is to the user, the lower the latency and the more stable the connection. It's just physics.
A difference of 50-80 milliseconds may seem insignificant in everyday life, but in reality, a bot often performs not one, but several network requests in a row, plus it accesses the database, the payment API, the CRM, or a third-party analytics service. Each additional delay adds up, and as a result, the user may have to wait not 100 ms, but 400-600 ms for a response, which already feels like the bot is “slow to respond.”
Geography also affects legal aspects (e.g., personal data storage requirements), the speed of connection to external services, and the quality of routing to specific networks. An incorrectly chosen location can result in unstable ping and periodic latency spikes.
Therefore, when choosing a VPS for a Telegram bot, it is worth focusing not only on the price of the tariff, but also on the region of placement.
When a Telegram bot starts working in production, one of the first architectural questions that arises is: how will it receive updates from Telegram? This determines not only the logic of the application, but also the requirements for the VPS, its network settings, open ports, SSL, and even the CPU load profile.
Telegram supports two main mechanisms for delivering updates: webhook and long polling. Formally, they do the same thing, namely, they send new messages and events to your server. But technically, they work differently. Let's take a closer look.
A webhook is a model in which Telegram itself sends HTTP requests to your server every time a new update appears. In essence, your bot becomes a web application with a public entry point.
When a user sends a message, Telegram forms a POST request and delivers it directly to the URL you specify. The server processes the request and returns a response. This is a reactive model where your server waits for incoming events.
To work with the webhook model, you need:
Webhook is considered a more production-oriented solution, as it reduces the number of unnecessary requests, reduces the load on the CPU, and ensures minimal delay between the user's message and the bot's response. This is especially important for services with high activity or payment logic.
Long polling is the opposite interaction model. In this case, the server itself regularly contacts the Telegram API with a request such as “Are there any new updates for me?” If there are updates, Telegram returns them, and if not, the connection is kept open until the timeout expires.
In other words, in this scheme, your server initiates the connection, not Telegram. Incoming ports and public HTTPS are not required in this case, and a simple, stable outgoing Internet connection is sufficient.
Polling is easier to set up because you don't need to configure a domain, SSL, or open port 443. This model is often used during the bot development stage, and in this case, the bot can even run on a server without a public IP, which is convenient when developing on an office or home computer located on a private network.
However, under load, long polling creates more system calls and network operations. With a large number of updates, the server constantly initiates HTTP requests, which increases the load on the processor and network. In addition, the response delay may depend on the timeout parameters and polling frequency.
Long polling is quite suitable for tests and prototypes, as it is quicker to set up and the infrastructure is simpler. But for real business, where stability, minimal delay, and scalability are important, webhooks are obviously the better choice.
It may require a little more preparation at the VPS level (public IP, SSL, open port), but it provides a cleaner architecture and better behavior under load.
When a Telegram bot is just being developed, it is often run in the simplest way possible - via screen or tmux. This is quite convenient, because you simply connect to the server via SSH, start the process, disconnect from the session, and the bot continues to run in the background. This is a perfectly workable option for testing and debugging.
Problems arise when the project goes into production. screen does not provide automatic process restart in case of failures, so if for some reason the application crashes, the bot simply will not start again.
systemd is a system service manager in Linux systems that is responsible for starting and managing processes. It is the minimum correct way to start a Telegram bot or any other service on a VPS.
Systemd allows you to:
This is a simple and reliable option for a single application without complex infrastructure, so if your bot runs as a separate process and does not require special isolation of the environment, then systemd is quite sufficient.
Docker is a tool that allows you to run applications in isolated containers. Simply put, Docker packages your application along with all its dependencies (libraries, settings, software versions) into a separate environment that works the same on any server.
If your Telegram bot is running in a Docker container, it is easier to transfer it between different VPSs, update it, and scale it, because the entire environment is already described in advance and does not depend on specific system settings.
Using Docker is especially convenient if:
Containerization, by its very nature, reduces the risk of library version conflicts and makes deployment more predictable. However, it also adds complexity, both in configuration and monitoring.
For a single Telegram bot, Kubernetes is almost always overkill. It is a very powerful container orchestration tool designed for microservice architectures and scalable clusters. Therefore, if you have one service and one VPS, Kubernetes will create more complexity than benefit. It is only justified in cases where your bot is part of a large distributed system with multiple nodes and dynamic scaling.
Telegram bots are controlled via a unique token issued by BotFather. This token is essentially the key to complete control over your bot. Therefore, if an attacker gains access to it in any way, they will be able to send messages on behalf of your bot, change its behavior, and even intercept user data. That's why VPS security is not just an optional extra, but a prerequisite.
It's important to understand that a server may appear to be fully functional, but still be vulnerable. Most attacks on VPS are not due to complex exploits, but to basic configuration errors on the server itself.
Minimum security measures include a few simple but critical steps:
First, disable SSH login as root using a password. Direct root access is the most common target of brute force attacks. It is much safer to create a separate user with sudo privileges and use SSH key authentication.
Second, you need to configure a firewall (such as UFW or iptables) and open only those ports that are actually used.
If the bot works via a webhook, this is usually 443. Everything else should be closed.
Thirdly, it is useful to use fail2ban, which automatically blocks IP addresses after multiple failed login attempts. This reduces the risk of automated attacks.
The bot token should not be stored directly in the code. It is better to use environment variables or a .envfile with restricted access. If the repository becomes publicly accessible, the token will remain protected.
Finally, the system must be updated regularly. Most vulnerabilities are closed by standard security updates, but they only work if you install them.
In the end, VPS security isn't about complex architectural schemes and solutions, but about basic discipline and information hygiene. A few correctly configured settings significantly reduce risks and allow the bot to work smoothly and predictably. Here we talked in more detail about protecting Linux VPS.
Launching a Telegram bot is only half the battle. It is important to understand how it behaves after a week, a month, or during peak loads. The server as a whole may be working normally, but at the same time gradually losing performance due to an increase in the volume of logs, an increase in the database, or memory leaks in the application itself.
Small projects often ignore the issue of monitoring, but problems rarely arise instantly. First, RAM consumption begins to grow, then the CPU more often reaches a high percentage of load, the database responds more slowly, and the response time increases by hundreds of milliseconds. As a result, the user notices this before the project owner, which is something to avoid.
Even simple basic tools provide some control over what is happening on the server:
htop shows CPU and RAM usage;journalctl helps analyze logs;uptime shows the average load.
If the bot is part of a large business infrastructure, then it is wise to add more systematic monitoring. The combination of Prometheus and Grafana allows you to track many metrics in real time. Even simple external uptime monitoring, which checks the availability of the webhook endpoint, already increases the reliability of your project.
A virtual server almost never crashes suddenly without warning. Most often, the system gives signals in advance, for example, the bot starts to respond more slowly, the CPU regularly stays at 80-90%, the RAM is almost completely occupied, and the database executes queries longer than usual. These symptoms do not indicate a random problem, but rather that the current VPS configuration is no longer adequate for the load.
At this stage, the project owner has two options. The first is to urgently optimize the code, and the second is to increase server resources. In reality, the second option is often faster and more rational. Increasing the CPU or RAM allows you to stabilize the system, buy time, and calmly focus on optimization.
A good VPS provider, such as 3v-Hosting, allows you to change your plan without reinstalling the system or migrating data. This is an important factor when choosing a provider at the start of a project.
Remember that a Telegram bot is not just a simple script running in the background, but a full-fledged product service. And you need to treat the infrastructure accordingly. You need to plan your resources in a timely and correct manner, build in a performance reserve, and not skimp on critically important elements.
Choosing a VPS for a Telegram bot is not about maximum performance or the cheapest price. It's about matching the infrastructure to the actual load and logic of the project.
It is important to consider several factors at once, such as the update model (webhook or polling), the estimated number of users, the availability of a database and cache, the volume of logs and files, the geography of the audience, security requirements, and scalability. Even if the bot is small today, tomorrow it may become part of a large business process, and the server must be ready for this in advance.
The optimal approach is to start with a reasonable configuration (usually 1-2 vCPUs and 2 GB of RAM for a working project), use SSD or NVMe, configure systemd or Docker for autostart, and ensure basic security and monitoring. Then, monitor the metrics and scale as the load grows.
A Telegram bot rarely requires powerful hardware, but it always requires stability. The right hosting provider becomes the foundation that does not limit the development of the project, but rather becomes its basis.
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