Question-after.js

var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var ObjectId = mongoose.Schema.Types.ObjectId;

var answerSchema = new Schema({
  description: {type: String, required: true},
  fileId: String,
  fileName: String,
  author: {
    email: String,
    label: String,
    username: String
  },
  created: {type: Date, 'default': Date.now}
});

var schema = new Schema({
  question: {type: String, required: true},
  author: {
    label: String,
    username: String,
    points: Number,
    tags: Array,
    job: String,
    description: String,
    avatar: String
  },
  tags: Array,
  labels: Array,
  fileId: String,
  created: {type: Date, 'default': Date.now},
  lastActivity: {type: Date, 'default': Date.now},
  answers: [answerSchema]
});

var Question = mongoose.model('question', schema);

module.exports = Question;

you never require('feathers-mongoose')