Mupx不工作。无法验证部署。

Question

我正在尝试使用mupx部署我的meteor应用程序。一切都与mupx setup和mupx deploy一起使用，直到它尝试验证，然后我收到此错误：

[wyno.io] x Verifying deployment: FAILED

-----------------------------------STDERR-----------------------------------
unction._.each._.forEach (/bundle/bundle/programs/server/node_modules/underscore/underscore.js:79:11)
    at /bundle/bundle/programs/server/boot.js:137:5
npm WARN package.json meteor-dev-bundle@0.0.0 No description
npm WARN package.json meteor-dev-bundle@0.0.0 No repository field.
npm WARN package.json meteor-dev-bundle@0.0.0 No README data
=> Starting meteor app on port:80

/bundle/bundle/programs/server/boot.js:283
}).run();
   ^
Error: $ROOT_URL, if specified, must be an URL
    at Error (<anonymous>)
    at Meteor.absoluteUrl.options (packages/meteor/url_server.js:8:1)
    at /bundle/bundle/programs/server/packages/meteor.js:1130:4
    at /bundle/bundle/programs/server/packages/meteor.js:1272:3
    at /bundle/bundle/programs/server/boot.js:242:10
    at Array.forEach (native)
    at Function._.each._.forEach (/bundle/bundle/programs/server/node_modules/underscore/underscore.js:79:11)
    at /bundle/bundle/programs/server/boot.js:137:5

=> Redeploying previous version of the app

-----------------------------------STDOUT-----------------------------------

To see more logs type 'mup logs --tail=50'

----------------------------------------------------------------------------

当我运行mupx logs时，我收到错误

[wyno.io] npm WARN package.json meteor-dev-bundle@0.0.0 No description
[wyno.io] npm WARN package.json meteor-dev-bundle@0.0.0 No repository field.
npm WARN package.json meteor-dev-bundle@0.0.0 No README data
[wyno.io] => Starting meteor app on port:80
[wyno.io] 
/bundle/bundle/programs/server/boot.js:283
[wyno.io] }).run();
   ^
[wyno.io] Error: $ROOT_URL, if specified, must be an URL
    at Error (<anonymous>)
[wyno.io]     at Meteor.absoluteUrl.options (packages/meteor/url_server.js:8:1)
    at /bundle/bundle/programs/server/packages/meteor.js:1130:4
    at /bundle/bundle/programs/server/packages/meteor.js:1272:3
    at /bundle/bundle/programs/server/boot.js:242:10
    at Array.forEach (native)
[wyno.io]     at Function._.each._.forEach (/bundle/bundle/programs/server/node_modules/underscore/underscore.js:79:11)
    at /bundle/bundle/programs/server/boot.js:137:5

我对服务器配置非常糟糕，除了未能在线搜索答案外，不知道从哪里开始。我从Digital Ocean运行每月20美元的Ubuntu 14.04液滴。