axios POST request is not sent - node.js

Question

Faced such a problem and can no longer solve it 2 days, please help.
There is a server on the nodejs:
index.js
const mongoose = require("mongoose");
const keys = require("./config/keys");
const app = require("./app");
const port = process.env.PORT || 3001;
mongoose
.connect(keys.MONGO_URL, { useNewUrlParser: true })
.then(() => {
app.listen(port, () => console.log(`Server started on port ${port}`));
console.log("Connected to" + " MongoDB");
})
.catch((error) => console.log(error));
app.js
const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const morgan = require("morgan");
const passport = require("passport");
const authRoutes = require("./routes/auth");
const restaurantRoutes = require("./routes/restaurant");
const app = express();
app.use(passport.initialize());
require("./middleware/passport")(passport);
app.use(morgan("dev"));
app.use("/uploads", express.static("uploads"));
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(cors());
app.use("/api/auth", authRoutes);
app.use("/api/restaurant", restaurantRoutes);
module.exports = app;
Nested Routes:
router.get(
"/",
passport.authenticate("jwt", { session: false }),
controller.getAll
);
router.get(
"/:id",
passport.authenticate("jwt", { session: false }),
controller.getById
);
router.post(
"/create",
passport.authenticate("jwt", { session: false }),
upload.single("image"),
controller.create
);
router.patch(
"/update",
passport.authenticate("jwt", { session: false }),
upload.single("image"),
controller.update
);
router.delete(
"/:id",
passport.authenticate("jwt", { session: false }),
controller.delete
);
There is a request from the front:
export function createNewRestaurant(restaurant, token) {
return {
type: CREATE_NEW_RESTAURANT,
payload: axios({
type: "POST",
url: "api/restaurant/create",
headers: {
Authorization: token,
},
data: JSON.stringify(restaurant),
})
.then((response) => {
console.log(response);
// return response.data;
})
.catch((error) => {
console.log({ error });
// return error.response.data;
}),
};
}
The problem is that POST doesn't even get from the server ...
There is no mention of it in the server console
If you remove the line from package.json client
"proxy": "http://localhost:3001/"
and write in the request
url: "http://localhost:3001/api/restaurant/create",
then in the server console we will see the OPTIONS request
OPTIONS /api/restaurant/create 204 0.135 ms - 0
I understand that the case is CORS, but I have it installed and in theory should work it all out, but how does this happen?
In postman, the request goes fine