"name": "user-api",                 // name of service
    "version": "v1.0.1",                // version of service
    "vasco": {                          // vasco configuration
        "dependencies": {               // dependencies of service
            "accounts-api": "v3.0.0",   // name and version of dependency
            "auth": "v1.0.0"
        },
        "mocks": {
            "auth": "localhost:3000"    // dependency mocked with given url
        }
    }

var vasco = require('vasco');
vasco.register(selfUrl, require('./package'), (err, deps) => {
  if (err) {
    // some error happened in registering self or getting dependency urls
    throw err;
  }
  // deps is a hash of dependency name:version mapped against their urls
  console.log(deps);
});