Package.json set up a React app with a Spring Boot Micro Service server proxy

package.json

{
  "name": "example-app",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "axios": "^0.18.0",
    "mobx": "^4.1.1",
    "mobx-react": "^5.0.0",
    "react": "^16.3.1",
    "react-app-rewire-mobx": "^1.0.8",
    "react-app-rewired": "^1.5.0",
    "react-dom": "^16.3.1",
    "react-router-dom": "^4.2.2",
    "react-scripts-ts": "2.14.0",
    "bootstrap": "4.0.0"
  },
  "scripts": {
    "start": "react-scripts-ts start",
    "build": "react-scripts-ts build",
    "test": "react-scripts-ts test --env=jsdom",
    "eject": "react-scripts-ts eject"
  },
  "devDependencies": {
    "@types/jest": "^22.2.2",
    "@types/node": "^9.6.2",
    "@types/react": "^16.3.6",
    "@types/react-dom": "^16.0.4",
    "@types/react-router-dom": "^4.2.6",
    "typescript": "^2.8.1"
  },
  "proxy": {
    "/auth": {
      "target": "http://localhost:9990",
      "changeOrigin": true
    },
    "/orders/*": {
      "target": "http://localhost:9991",
      "changeOrigin": true
    },
    "/api/*": {
      "target": "http://localhost:9992",
      "changeOrigin": true
    },
    "/search/*": {
      "target": "http://localhost:9993",
      "changeOrigin": true
    }
  }
}