Project Configuration

This project uses standard Spring Boot configuration patterns, leveraging application.properties and environment-specific profiles.

Profiles

We use three main profiles to manage different environments:

Profile	Purpose	Data Source
`dev`	Local development	Local MySQL / MariaDB
`test`	Unit and Integration testing	In-memory H2 Database
`prod`	Production deployment	Cloud-managed MySQL

Activating a Profile

To run the application with a specific profile:

./mvnw spring-boot:run -Dspring-boot.run.profiles=dev

Environment Variables

The application uses environment variables for sensitive or environment-specific data. These are defined in your .env file and mapped in the application*.properties files.

Key variables include:

MYSQL_DB_HOST: The hostname of your MySQL server.
MYSQL_DB_PORT: The port (default 3306).
MYSQL_DB_UNAME: Database username.
MYSQL_DB_PASSWD: Database password.
JWT_SECRET: Secret key for signing JWT tokens.
JWT_EXPIRATION: Token expiration time in milliseconds.

Application Properties

src/main/resources/application.properties: Base configuration shared across all environments.
src/main/resources/application-dev.properties: Overrides for local development.
src/main/resources/application-test.properties: Optimized for fast testing with H2.
src/main/resources/application-prod.properties: Hardened settings for production.