1const cors = require('cors'); 
2const express = require('express');
3const app = express();app.use(cors());
4

1"architect": {
2  "serve": {
3    "builder": "@angular-devkit/build-angular:dev-server",
4    "options": {
5      "browserTarget": "your-application-name:build",
6      "proxyConfig": "src/proxy.conf.json"
7    },
8

1$ ng serve
2

1{
2    "/api/*": {
3        "target": "http://localhost:3000",
4        "secure": false,
5        "logLevel": "debug"
6    }
7}
8