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How quickly and easily run a local server with fake api data (mocks)?

Sometimes you need to develop a frontend part of a project without a ready-made api, knowing only its structure. In this case, using json-schema-faker, you can generate fake data (mocks) and deploy it to your local server.

Firstly u will need to install json-schema-faker package

yarn add json-schema-faker

Then open the package.json file and add scripts with the following

// ...

"scripts": {

  // ...

  "start-mockapi": "json-server --watch ./mocks/api/db.json --port 3001",

  "generate-mock-data": "node ./generateMockData",


After installation, you will need to describe the structure in ./mocks/dataSchema.js of future mocks. You can find more information here.

const schema = {

  reports: {

    type: 'array',

    minItems: 5,

    maxItems: 10,

    items: {

      id: {

        type: 'integer',

        unique: true,

        minimum: 1,

        maximum: 1000,


      title: {

        enum: ['production', 'azure data', 'azure data 2'],


      logo: ''




module.exports = schema;

Copy paste script for generating mock data from here in ./generateMockData.js and run the following

yarn generate-mock-data && yarn start-mockapi

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