const axios = require('axios');

axios.post('http://localhost:3000/dolgozok', {
    id: 4,
    "fullname": "Bárány Tamás",
    "city": "Miskolc",
    "salary": 2850000
}).then(resp => {
    console.log(resp.data);
}).catch(error => {
    console.log(error);
});