app.js

const express = require("express");
const mongoose = require("mongoose");
const router = express.Router();
const app = express();
const expressEjsLayout = require("express-ejs-layouts");
const flash = require("connect-flash");
const session = require("express-session");
const passport = require("passport");

//passport config:
require("./config/passport")(passport);
//mongoose
mongoose
  .connect("mongodb://localhost/test", {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => console.log("connected,,"))
  .catch((err) => console.log(err));

//EJS
app.set("view engine", "ejs");
app.use(expressEjsLayout);
app.use(express.static("public"));
app.use(express.static("assets"));

app.use(express.json());

//BodyParser
app.use(express.urlencoded({ extended: false }));
//express session
app.use(
  session({
    secret: "secret",
    resave: true,
    saveUninitialized: true,
  })
);
app.use(passport.initialize());
app.use(passport.session());
app.use(flash());
app.use((req, res, next) => {
  res.locals.success_msg = req.flash("success_msg");
  res.locals.error_msg = req.flash("error_msg");
  res.locals.error = req.flash("error");
  next();
});

//Routes
app.use("/", require("./routes/index"));
app.use("/users", require("./routes/users"));

app.listen(3000);