Hapi file upload handler.

upload.js

const Joi = require('joi');

module.exports = {
  method: 'post',
  path: '/upload',
  config: {
    validate: {
      payload: {
        files: Joi.array().items(
          Joi.any()
        ).single().required()
      }
    },
    payload: {
      maxBytes: 1000 * 1000 * 5, // 5 Mb  
      output: 'file',
      parse: true
    },
    handler: async (request, h) => {
      /**
      * data structure will be: 
      * { path: '/var/folders/39/s48jqbvx31s98m5y8x4wr_h0d74j26/T/1548246811595-6726-4ff6112d1349194b',
      * bytes: 202600, filename: 'mrscruff.jpg',
      * headers: { 'content-disposition': 'form-data; name="files"; filename="mrscruff.jpg"', 'content-type': 'image/jpeg' } }
      */
      request.payload.files.forEach(file => {
        console.log(file);
      });
      return { message: 'ok' };
    }
  }
};