index.js

import express from "express";
import dotenv from "dotenv";
import databaseConnection from "./config/database.js";
import cookieParser from "cookie-parser";
import userRoute from "./routes/userRoute.js";
import tweetRoute from "./routes/tweetRoute.js";
import cors from "cors";
import path from "path";
import { fileURLToPath } from "url";

// Setup __dirname for ES modules
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

dotenv.config({
    path: ".env"
});

databaseConnection();
const app = express();

// middlewares
app.use(express.urlencoded({
    extended: true
}));
app.use(express.json());
app.use(cookieParser());

const corsOptions = {
    origin: "http://localhost:3000",
    credentials: true
};
app.use(cors(corsOptions));

// api
app.use("/api/v1/user", userRoute);
app.use("/api/v1/tweet", tweetRoute);

app.get("/", (req, res) => {
    app.use(express.static(path.resolve(__dirname, "frontend", "build")));
    res.sendFile(path.resolve(__dirname, "frontend", "build", "index.html"));
});

app.listen(process.env.PORT, () => {
    console.log(`Server listening at port ${process.env.PORT}`);
});