shared configuration repository
unsecured
read
var config = require('afrostream-node-config');
config.get('ip');
config.get('port');
config.get(); // <= full object.
write
var config = require('afrostream-node-config');
config.set('staging', 'port', 4242);
// (...)
process.env.NODE_ENV = 'staging';
config.get('port'); // 4242