app.js

require("dotenv").config({
  path: process.env.NODE_ENV === "test" ? ".env.test" : ".env",
});
const createError = require("http-errors");
const express = require("express");
const path = require("path");
const cookieParser = require("cookie-parser");
const logger = require("morgan");
const cors = require("cors");
const router = require("./src/router/index");
const swaggerUi = require('swagger-ui-express');
const db = require("./src/config/db");

const port = process.env.PORT;
const app = express();

app.set("views", path.join(__dirname, "views"));
app.set("view engine", "pug");
app.use(cors());
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

app.all("/*", function (req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE");
  res.header(
    "Access-Control-Allow-Headers",
    "Origin, X-Requested-With, Content-Type, Accept"
  );
  next();
});

swaggerDocument = require('./src/docs/swagger.json');
app.use('/docs', swaggerUi.serve, swaggerUi.setup(swaggerDocument));
app.use(router);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});


// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

app.listen(port, function () {
  console.log("App is running on port " + port);
});

module.exports = app;