app.js

const express = require('express');
const app = express();
const swaggerUi = require('swagger-ui-express');
const swaggerJsdoc = require('swagger-jsdoc');
const port = process.env.PORT || 3000;

// Swagger configuration
const options = {
  definition: {
    openapi: '3.0.0',
    info: {
      title: 'Your API Documentation',
      version: '1.0.0',
      description: 'API documentation for your project',
    },
    servers: [
      {
        url: `http://localhost:${port}`, // Replace with your server URL
      },
    ],
  },
  apis: ['./routes/*.js'], // Specify the path to your route files
};

const specs = swaggerJsdoc(options);

// Middleware to serve Swagger documentation
app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(specs));

// Other middleware and route setup
app.use(express.json());
// Add your routes here

// Error handling middleware
app.use((err, req, res, next) => {
  res.status(err.status || 500);
  res.json({
    error: {
      message: err.message,
    },
  });
});

// Start the server
app.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});

module.exports = app;