Kaynak: Dev.to  ·  2 dk okuma  ·  Yazar: Young Gao

The Problem Cloud storage is expensive. S3, GCS, Azure Blob — they all charge per GB...

Cloud storage is expensive. S3, GCS, Azure Blob — they all charge per GB stored and per request. For personal projects, side hustles, or small teams, these costs add up fast.

I wanted something that was:

• Free (actually free, not free-tier-that-expires)
• S3-compatible (works with aws-cli, rclone, any S3 SDK)
• Serverless (no servers to maintain)
• Unlimited storage

The Problem

I built TG-S3 — an S3-compatible storage gateway that uses Telegram as the storage backend and runs on Cloudflare Workers (free tier).

1. Cloudflare CDN — cached content for fast reads
2. Cloudflare R2 — persistent cache for files up to 20MB
3. Telegram API — unlimited file storage (up to 2GB per file with VPS proxy)

The Solution: TG-S3

Metadata lives in Cloudflare D1 (SQLite), and the S3 API gateway runs serverlessly on Cloudflare Workers.

bash git clone https://github.com/gps949/tg-s3.git cd tg-s3

Configure your Telegram bot token and chat ID

./deploy.sh

How It Works

bash aws s3 ls s3://my-bucket --endpoint-url https://your-worker.workers.dev aws s3 cp ./photo.jpg s3://my-bucket/photos/ --endpoint-url https://your-worker.workers.dev

ini [tg-s3] type = s3 provider = Other endpoint = https://your-worker.workers.dev accesskeyid = your-key secretaccesskey = your-secret

Features

The system is built with TypeScript, uses AWS SigV4 for authentication, and deploys via Wrangler v3. The Telegram Bot API handles file upload/download, while Cloudflare's edge network handles caching and CDN.

Cloudflare Tunnel integration is available for secure VPS connectivity when large file support is needed.

Cost

Telegram offers unlimited cloud storage for files up to 2GB, with a generous API. Files stored on Telegram are persistent, encrypted, and accessible globally. By using Telegram as a storage backend and wrapping it with an S3-compatible API, we get the best of both worlds.

TG-S3 is fully open source. Check it out, star it, and let me know what you think!

Quick Start

Architecture

Why Telegram?

Open Source

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