Microservices With Node Js And React Download Apr 2026

const redis = require('redis'); const publisher = redis.createClient(); app.post('/users', async (req, res) => { const newUser = new User(req.body); await newUser.save();

app.use('/orders', createProxyMiddleware({ target: 'http://localhost:4003', changeOrigin: true, }));

// User Schema const userSchema = new mongoose.Schema({ name: String, email: String, createdAt: { type: Date, default: Date.now }, });

microservices-app/ ├── api-gateway/ ├── services/ │ ├── user-service/ │ ├── product-service/ │ └── order-service/ ├── frontend/ │ └── react-app/ └── docker-compose.yml 2.1 Initialize the Service cd services/user-service npm init -y npm install express mongoose cors dotenv 2.2 Create the Server server.js microservices with node js and react download

const subscriber = redis.createClient(); subscriber.subscribe('user-created', (message) => { const user = JSON.parse(message); console.log(`Send welcome email to ${user.email}`); // Integrate with email provider here }); 5.1 Create React App cd frontend npx create-react-app react-app cd react-app npm install axios 5.2 Fetch Data from the API Gateway src/App.js

res.status(201).json(newUser); });

app.use('/products', createProxyMiddleware({ target: 'http://localhost:4002', changeOrigin: true, })); const redis = require('redis'); const publisher = redis

FROM node:18-alpine WORKDIR /app COPY package*.json ./ RUN npm install COPY . . EXPOSE 4001 CMD ["node", "server.js"]

app.listen(5000, () => { console.log('API Gateway running on port 5000'); });

🔗 (placeholder)

api-gateway: build: ./api-gateway ports: - "5000:5000" depends_on: - user-service - product-service

const express = require('express'); const mongoose = require('mongoose'); const cors = require('cors'); require('dotenv').config(); const app = express(); app.use(cors()); app.use(express.json());

// Routes app.get('/users', async (req, res) => { const users = await User.find(); res.json(users); }); const redis = require('redis')

// Publish event await publisher.publish('user-created', JSON.stringify(newUser));

useEffect(() => { fetchUsers(); }, []);