public class ExampleApplication extends WebApplication {

    protected void setupConfig(Config config) {
        Map<String, String> map = new HashMap<>();
        // Maps a config entry with an key for .get("key")
        map.put("EXAMPLE_KEY", "example.key");
        config.addEnvKeyMapping(map);
        
        // Registers .env as a configuration and adds System envs
        config.addEnvFile(".env");
        
    }

    protected void setupModels(SQL sql) throws ORMConfigurationException {
        // The connection is going to be built by the credentials given in the config
        
        ORMConfig config = new ORMConfig().setTablePrefix("example_"); // .setDefaultSize(255)
        // Registeres every Model in the Users package with the sql connection and ORMConfig
        ORM.register(User.class.getPackage(), sql, config);
        // Adds or updates the database structure 
        ORM.autoMigrate();
    }

    protected void setupServer(HTTPServer server) {
        server.beforeInterceptor(exchange -> {
           // Just an attrib example (Passes it through following routes & middlewares)
           exchange.attrib("user", Repo.get(User.class).get(exchange.header("example-user-id")));
           // Do not intercept
           return false;
        });

        // Adds every Controller in the package of ExampleController and extends HttpController (recursive)
        server.controller(HttpController.class, ExampleController.class.getPackage());
    }


}

@PathPrefix("/user")
public class ExampleController extends HttpController {
    @Get("/{id}")
    public String getUser(Exchange exchange, @Attrib("user") User user) {
        return user.name;
    }
}

public class User extends Model {
    @Column
    public int id;
    
    @Column
    public String name;
}