Godevox Expense API

This is a Spring Boot-based Expense API project. It includes various filters for request and response validation, uses Undertow as the embedded server.

Table of Contents

• Getting Started
• Filters
• Undertow Configuration

Getting Started

Prerequisites

• Java 17 or higher
• Maven 3.6.0 or higher
• PostgreSQL database

Installation

1. Clone the repository:

   git clone https://github.com/godevox/godevox-expense-api.git
   cd godevox-expense-api

2. Configure the database in src/main/resources/application.properties:

   spring.datasource.url=jdbc:postgresql://localhost:5432/expense_db
   spring.datasource.username=godevox
   spring.datasource.password=godevox

3. Build the project:

   mvn clean install

4. Run the application:

   mvn spring-boot:run

Filters

RequestHeaderValidator

• Description: Validates the presence and format of the X-Request-ID header.
• Order: 1
• URL Pattern: /*

RequestBodyValidator

• Description: Validates the request body size (max 1KB) for POST requests.
• Order: 2
• URL Pattern: /*

ResponseHeaderFilter

• Description: Adds security headers to the response.
• Order: 3
• URL Pattern: /*

Undertow Configuration

The application uses Undertow as the embedded server. The configuration is set in src/main/resources/application.properties:

server.undertow.io-threads=8
server.undertow.worker-threads=32
server.undertow.buffer-size=1024
server.undertow.direct-buffers=true