application.hbs

{{log model}}

{{#mapbox-gl class='map-container' initOptions=(hash pitch=30) as |map|}}
  {{#map.source options=(hash type='geojson' data=model) as |source|}}
    {{source.layer layer=(hash
      type='line'
      paint=(hash line-color='#007cbf' line-width=10))}}
  {{/map.source}}
{{/mapbox-gl}}

{{outlet}}