frontend-tutorial-framework/proxy.conf.json

{
  "/ws": {
    "target": "http://localhost:8888",
    "secure": false,
    "ws": true
  },

  "/terminal": {
    "target": "http://localhost:8888",
    "secure": false,
    "ws": true
  },

  "/webservice": {
    "target": "http://localhost:8888",
    "secure": false
  }
}