Node.js Dockerized Application

A professional Node.js application demonstrating microservices architecture with Docker, featuring MongoDB, Redis, and Nginx.

Architecture

• Backend: Node.js + Express REST API
• Database: MongoDB for persistent data storage
• Cache: Redis for caching and session management
• Reverse Proxy: Nginx for load balancing and request routing

API Endpoints

Health Check

GET /health

Users

# Get all users (with Redis caching)
GET /api/users

# Create a new user
POST /api/users
Content-Type: application/json
{
  "name": "John Doe",
  "email": "john@example.com",
  "age": 30
}

# Get user by ID
GET /api/users/:id

Cache Operations

# Set cache
POST /api/cache/:key
Content-Type: application/json
{
  "value": "your data",
  "expiry": 3600
}

# Get cache
GET /api/cache/:key

Testing the Application

# Create a user
curl -X POST http://localhost/api/users \
  -H "Content-Type: application/json" \
  -d '{"name":"Alice","email":"alice@example.com","age":25}'

# Get all users (first call - from database)
curl http://localhost/api/users

# Get all users again (second call - from cache)
curl http://localhost/api/users

# Test cache
curl -X POST http://localhost/api/cache/mykey \
  -H "Content-Type: application/json" \
  -d '{"value":"Hello World","expiry":60}'

curl http://localhost/api/cache/mykey