server.js

const express = require("express");
const connectDB = require("./config/db.js");
const path = require("path");

const app = express();

connectDB();
app.use(express.json());

app.use("/api/auth", require("./routes/api/auth"));
app.use("/api/users", require("./routes/api/users"));
app.use("/api/posts", require("./routes/api/posts"));
app.use("/api/profile", require("./routes/api/profile"));

//Serve static assets(frontend)
if (process.env.NODE_ENV === "production") {
    //Set static folder
    app.use(express.statis("client/build"));

    app.get("*", (req, res) => {
        res.sendFile(path.resolve(__dirname, "client", "build", "index.html"));
    });
}

const PORT = process.env.PORT || 5000;

app.listen(PORT, () => {
    console.log(`Server started on port ${PORT}`);
});