{
  "id": "local",
  "isEditable": true,
  "title": "local course",
  "shortDesc": "",
  "longDesc": "",
  "authorBio": "",
  "tags": [],
  "catalogs": [],
  "lessons": [
    {
      "id": "1",
      "title": "Lesson 1",
      "gadgets": []
    }
  ],
  "progress": { "lesson": 0 },
  "assetUrlTemplate": "//localhost:3000/api/assets/<%= id %>"
}

{
  "id": "local",
  "isEditable": true,
  "title": "local course",
  "shortDesc": "",
  "longDesc": "",
  "authorBio": "",
  "tags": [],
  "catalogs": [],
  "lessons": [
    {
      "id": "1",
      "title": "Lesson 1",
      "gadgets": []
    }
  ],
  "progress": { "lesson": 0 },
  "assetUrlTemplate": "/api/assets/<%= id %>"
}

Use relative asset url path
Use relative asset url path
