Welcome

Overview

Pure‑Java Spring Boot REST API that lets travellers mix & match flights, stays and activities—think PCPartPicker for itineraries. The project secured 1^st place at the 2025 Singtel Information Systems & Programming Awards.

Tech Stack

• Java 17 + Spring Boot 3 (Web, Data JPA, Security JWT)
• Gradle (Groovy DSL) build with ModelMapper & MapStruct
• MySQL 8 backend (latest schema scripts in sql_docs_v*)
• Dotenv‑java for environment configs

Infrastructure & Deployment

• On‑prem dev box — Debian laptop running MySQL + API for early demos.
• Raspberry Pi 3 router/AP — isolated test subnet bridged to school LAN.
• GCP migration — Compute Engine VM, hardened SSH, Java 17 + MySQL; deployed via Gradle and systemd.
• Everything wired together with vim, tmux, scp and done through SSH.

Key Features

• JWT login & role‑based auth (/login)
• Itinerary CRUD + activity recommendations
• E‑commerce style cart, checkout & rating logic
• Global exception handler for clean JSON errors

Running Locally

1. Clone: git clone https://github.com/rpeky/50.001_1D_backend.git
2. cd 50.001_1D_backend/api
3. Edit src/main/resources/application.properties (DB creds)
4. Launch: ./gradlew bootRun

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