Full Stack Web App Development in Java Using Vaadin + Spring Boot + PostgreSQL
You can build full stack web application with Java, Vaadin 25, Spring Boot 4, PostgreSQL. You can get myStock sample project source code from GitHub repo below, and use it as skeleton / template for your own projects.
myStock is a sample Inventory & POS (Point of Sale) application:
🔗 GitHub Repository:
https://github.com/mokszr/vaadin-inve...
⭐ If you find this project useful:
• Star the repo on GitHub
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✨ Features
Inventory & Products
Product management (name, barcode, unit, active flag)
One-to-one inventory tracking per product
Reorder level (minimum stock threshold)
Low-stock detection
Stock Management
Stock movements with IN / OUT types
Quantity tracking with history
Optional notes for each movement
POS (Point of Sale)
Scan / enter barcode
Cart-based checkout
Stock validation before sale
Sale & sale line creation
Dashboard
Revenue KPIs
Sales trend (last 14 days)
Top products by revenue
Low-stock product list
Technical
Internationalization (i18n) — English & Turkish
Spring Security ready
Demo data seeding for charts
Clean domain-driven structure
🧱 Domain Model Overview
Core Entities
Product — sellable items with barcode
StockItem — current quantity, reorder level, location
StockMovement — IN / OUT inventory operations
Sale — a completed checkout
SaleLine — individual items within a sale
🛠 Technologies used:
Java 25
Vaadin 25
Spring Boot 4
Spring Data JPA
Hibernate
PostgreSQL DB
Chart.js. (for dashboards)
👉 Video Chapters: Check the timestamps below to quickly navigate to the section you need.
0:00 Introducing Vaadin
1:36 Go through myStock Inventory POS application
6:08 Core Concepts in the sample application
07:05 Go through the source code base
15:14 Generate project using Spring Initializr
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👉 You can find me on LinkedIn / murat-%c3%b6ks%c3%bczer-bb856644
❤️ Thanks for watching
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