Required means the project brief imposes it. Chosen means the team decided.

langage/software	Version	Where to get it
Java	25
Intellij	2026.1.4
PostgreSQL	18
Studio visual code	1.140
Postman	12.31.2
Looping	4.1

Part	Technology	Type
Web UI	Native JavaScript, Web Components, ES modules	Required
UI style	Bootstrap, Bootstrap Icons, Google Fonts (latest)	Required
UI language	English	Required
Backend	Java (latest LTS), Spring Boot, Maven (latest stable)	Required
Database	PostgreSQL 18, set up with SQL scripts	Required
Deployment	Bash scripts, run by hand on the VPS (staging)	Required

Use	Tool	Type
Code, issues, board, pull requests, wiki	GitHub	Required
API tests	Postman	Required
Database design	Looping	Required
UI design	TODO (one tool for everyone)	Required
IDE	TODO	Chosen

• The browser pages call the backend through a REST API.
• The backend checks the data, applies the rules and talks to PostgreSQL.
• It also calls two outside services: REST Countries (import) and an AI service (report).