app.js

const express = require("express");
const router = express.Router();
const app = express();
const db = require("./config/keys").mongoURI;
const mongoose = require('mongoose');
const bodyParser = require("body-parser");
const passport = require("passport");
const path = require('path');

// For Heroku deployment
if (process.env.NODE_ENV === 'production') {
  app.use(express.static('frontend/build'));
  app.get('/', (req, res) => {
    res.sendFile(path.resolve(__dirname, 'frontend', 'build', 'index.html'));
  })
}

// Import routes
const users = require("./routes/api/users");
const plants = require("./routes/api/plants");
const notifications = require("./routes/api/notifications");
const ownedPlants = require("./routes/api/ownedPlants");

mongoose
  .connect(db, { useNewUrlParser: true })
  .then(() => console.log("Connected to MongoDB successfully"))
  .catch(err => console.log(err));

// Middleware for body parser:
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

// Routes:
// app.get("/", (req, res) => res.send("Hello World"));

app.use(passport.initialize());
require("./config/passport")(passport);

app.use("/api/users", users);
app.use("/api/plants", plants);
app.use("/api/notifications", notifications);
app.use("/api/ownedPlants", ownedPlants);

// Port settings
const port = process.env.PORT || 5000;
app.listen(port, () => console.log(`Server is running on port ${port}`));