var config={
    port:8080
}

function prod(){
    console.log('launched as prod');
    config.port=8081;
    return config;
}

function dev(){
    console.log('launched as dev');
    return config;
}

module.exports = function(){
    switch(process.env.NODE_ENV){
        case 'dev':
            return dev();
        case 'prod':
            return prod();
        default:
            console.log('NODE_ENV not specified so defaulting to dev.');
            return dev();
    }
};