Simple server for fleet management

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If you want to create a sample Express application with a local database, you can use Node.js along with a database like SQLite for simplicity. SQLite is a lightweight, file-based database that is easy to set up for local development. Here's a step-by-step guide to help you get started.

Step 1: Set Up Your Project

Create a new directory for your project

mkdir express-sample cd express-sample

Initialize your project with npm

npm init -y

Step 2: Install Dependencies

Install the necessary dependencies - express for the web server and sqlite3 for SQLite database:

npm install express sqlite3

Step 3: Create an Express App

Create a file named app.js and set up a simple Express application:

const express = require('express');

const app = express();

const port = 3000;

app.get('/', (req, res) => { res.send('Hello, this is your Express app!'); }); app.listen(port, () => { console.log(`Server is running at http://localhost:${port}`); });

Step 4: Set Up SQLite Database

Modify app.js to include SQLite database integration:

const express = require('express');

const sqlite3 = require('sqlite3').verbose();

const app = express();

const port = 3000;

// Connect to SQLite database

const db = new sqlite3.Database('./sample.db');

// Create a simple table

db.serialize(() => { db.run('CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, name TEXT)'); });

app.get('/', (req, res) => { res.send('Hello, this is your Express app with SQLite!'); });

app.listen(port, () => { console.log(`Server is running at http://localhost:${port}`); });

Step 5: Run Your App

Run your application:

node app.js

Your Express app with SQLite integration should be running at http://localhost:3000. You can test it by visiting this URL in your browser.

Step 6: Interact with the Database

To interact with the database, you can create additional routes in your Express app. For example:

app.get('/users', (req, res) => { // Fetch users from the database  db.all('SELECT * FROM users', (err, rows) => { if (err) { console.error(err.message); res.status(500).send('Internal Server Error'); } else { res.json(rows); } }); });

Now, when you visit http://localhost:3000/users, you should see the JSON representation of the users in your database.

Remember that this is a basic setup for local development. In a production environment, you might want to consider using a more robust database solution like PostgreSQL or MySQL and add additional security measures.

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