VendEase — Complete POS Platform

Full-stack Point of Sale system with a Go backend, real-time sync, and cross-platform mobile & desktop app.
Deploy, rebrand, and start selling.

Go Backend · Kotlin Multiplatform · PostgreSQL · Docker Ready

Live Demo

Fully deployed and running on Hetzner VPS

API Health	http://89.167.39.115/api/v1/health
Username	admin
Password	VendeaseAdmin2026!

First deploy auto-creates admin user & default store. Zero manual DB setup.

What’s Included

POS Backend	Go + Fiber + SSE Real-time (port 8082)
POS App	KMP + Compose Multiplatform (Android / iOS / Desktop)
Infrastructure	Docker + Nginx + GitHub Actions CI/CD

Key Features

POS Application

Inventory & category management
Sales & transaction processing
Multiple payment methods
Multi-store support with stock transfers
Financial reports & analytics
Employee management & roles
Customer & supplier management
Loyalty programs & fidelity points
Coupons & discount system
Debt tracking & payments
QR / Barcode scanning
Real-time sync (SSE)
Tax configuration per store
Offline-capable local database

Backend & Infrastructure

First-time setup wizard (admin + store)
Multi-store management with headquarters
JWT authentication with refresh tokens
Role-based access control
Real-time SSE with PostgreSQL LISTEN/NOTIFY triggers
Audit logs & activity trail
SMTP email notifications
Rate limiting & CORS
Auto database migration on startup
Docker Compose deployment (dev & production)
GitHub Actions CI/CD pipeline
Nginx reverse proxy with security headers
Health checks & container auto-restart
Automated seed script for first deploy

Cross-Platform POS App

One Kotlin Multiplatform codebase — three target platforms

Android	Min SDK 25 (Android 7.1+) · Target SDK 35
iOS	iOS 15.3+ · iPhone & iPad
Desktop	macOS · Windows · Linux

Download the POS App

Get the app for your platform and start selling right away

Android	APK · Android 7.1+	Download APK
macOS	DMG · macOS 12+	Download DMG
Windows	EXE · Windows 10+	Download EXE
Linux	DEB · Ubuntu / Debian	Download DEB

Important — Backend URL Setup: On the POS app login screen, set the Backend URL to your server address (e.g. http://89.167.39.115/ for the demo). The app needs this to connect.

Tech Stack

Component	Technologies
POS Backend	Go 1.23, Fiber v2, GORM, PostgreSQL 16, SSE, LISTEN/NOTIFY, JWT
POS App	Kotlin 2.2.10, Compose Multiplatform 1.8.1, Material 3, Ktor, Room DB, Koin
Infrastructure	Docker, Docker Compose, Nginx, GitHub Actions, GHCR, Hetzner VPS

Why VendEase

Production Ready — Docker Compose, Nginx reverse proxy, health checks, rate limiting, security headers, CI/CD pipeline
Zero-Config First Deploy — Push to main and the system deploys itself, auto-creates admin user and default store
Fully Rebrandable — Change package names, logos, colors, strings, deploy under your own domain
Clean Architecture — Domain-driven design, clear separation of handlers, services, repositories
Real-Time Events — SSE with PostgreSQL triggers for live inventory and transaction syncing
Multi-Store & Multi-Language — Headquarters, stock transfers, store-specific pricing, English & French

Package Summary

Full source code for backend + cross-platform app
Go backend with real-time SSE & PostgreSQL triggers
Cross-platform POS app (Android, iOS, Desktop)
Docker Compose configs (dev & production)
GitHub Actions CI/CD pipeline to Hetzner
Nginx reverse proxy with security headers
PostgreSQL with auto-migration & seeding
JWT auth, rate limiting, CORS
Multi-store, multi-language, real-time SSE
First-deploy auto setup (admin + store)

Version History

v1.0.1 — March 2026 (Bug fix)

Fixed a DataStore bug in desktop app

v1.0.0 — February 2026 (Initial Release)

Go 1.23 + Fiber v2 backend with REST API & real-time SSE
PostgreSQL 16 with auto-migration, LISTEN/NOTIFY triggers
JWT auth, role-based access control, multi-store management
Inventory, transactions, payments, reports, loyalty, coupons, debt tracking
Kotlin 2.2.10 + Compose Multiplatform 1.8.1 POS app (Android, iOS, Desktop)
Offline support with Room (KMP), QR/barcode scanning, multi-language
Docker Compose, Nginx, GitHub Actions CI/CD, automated seed script
Comprehensive developer documentation

VendEase - Complete & modern POS solution