db.json

{
  "posts": [
    {
      "id": 1,
      "title": "json-server-1",
      "author": "typicode"
    },
    {
      "id": 2,
      "title": "json-server-2",
      "author": "typicode"
    },
    {
      "id": 3,
      "title": "json-server-3",
      "author": "typicode"
    }
  ],
  "comments": [
    {
      "id": 1,
      "body": "some comment 1 on post 1",
      "postId": 1
    },
    {
      "id": 2,
      "body": "some comment 2 on post 1",
      "postId": 1
    },
    {
      "id": 3,
      "body": "some comment on post 2",
      "postId": 2
    },
    {
      "id": 4,
      "body": "some comment on post 3",
      "postId": 3
    },
    {
      "id": 5
    },
    {
      "id": 6
    },
    {
      "body": "A anew comment on post 3",
      "postId": "3",
      "id": 8
    }
  ],
  "profile": {
    "name": "typicode"
  }
}