Full Stack Web App Development in Java Using Vaadin + Spring Boot + PostgreSQL

Publicado em: 08 Janeiro 2026
no canal de: Murat Öksüzer

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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
• Share feedback or open an issue
• Subscribe for future updates & tutorials

✨ 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

💯 Don't forget to subscribe
👉 You can find me on LinkedIn / murat-%c3%b6ks%c3%bczer-bb856644
❤️ Thanks for watching

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