using-buckets.js

router.post('/:id/picture',
  global.app.data.buckets({
      bucket: 'pip-recreational-centers',
      nameSuffix: req => '_' + req.params.id + '.png'
  }),
  (req, res, next) => model.RecreationalCenter.findById(req.params.id).then(
      recreationCenter => {
          recreationCenter.picture = req.resource.Location;
          return playlist.save();
      }
  ).then(
      playlist => res.send({picture: recreationCenter.picture})
  ).catch(next)
)