server.js

const express = require("express");
const sslRedirect = require('heroku-ssl-redirect');
const app = express();
const path = require('path');
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const port = process.env.PORT || 5000;
const db = require("./config").mongoURI;

// Redirects HTTP requests to HTTPS
app.use(sslRedirect());

// const login = require("./routes/api/login");
// const realisations = require("./routes/api/realisations");
const message = require("./src/routes/api/message");

// body parser middleware
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());

// app.use("/api/login", login);
// app.use("/api/realisations", realisations);
app.use("/api/message", message);

// server static if in production
if (process.env.NODE_ENV === 'production') {
    app.use(express.static('client/build'));
    app.get('*', (req, res) => {
        res.sendFile(path.join(__dirname, 'client/build/index.html'));
    })
}

// console.log that your server is up and running
app.listen(port, () => console.log(`Listening on port ${port}`));