Sarafan Store

E-commerce

One backend that ties an online store together - catalog, cart, and orders work in sync, with an admin panel keeping everything under control.

Docker Django DRF Simple JWT PostgreSQL Redis HTMX Bootstrap Httpx Gunicorn Nginx Docker Compose Ruff

Architecture

Demo

Request flow

0 active requests ❚❚

docker-compose.yml

edge / proxy

application

data stores

Parking Bot

Telegram Service

Books a parking spot right inside a Telegram chat and keeps track of the clock itself - forgotten reservations are released automatically.

FastAPI aiogram Docker Celery PostgreSQL Redis SQLAlchemy Bootstrap Nginx Ruff

Demo

Holmer Mobile App

Mobile App

Keeps field engineers working even without a connection - technical data, catalogs, and maintenance guides always within reach.

Python Flutter JWT Flet SQLite

Demo

Newsletter Service

Backend System

Sends newsletters right on schedule and makes sure no recipient ever gets the same message twice.

FastAPI Redis PostgreSQL Celery

Demo

Route Plan GPS

Geo Service

Plans routes across Russia and finds gas stations along the way - with dedicated logic for long-haul trucks.

Django Folium PostgreSQL DRF Docker

Demo