Setting Up EC2 Instance with an Elastic IP for Application Hosting

🎯 Objective

Learn how to:

🧠 What is EC2?

Amazon EC2 (Elastic Compute Cloud) is a service that provides scalable virtual servers in the cloud.

👉 You can:

🧠 What is an Elastic IP?

An Elastic IP address is a static public IP address that:

👉 Useful for:

⚙️ Architecture Overview

User Request
     ↓
Elastic IP (Static Public IP)
     ↓
EC2 Instance (Web Server)
     ↓
Application (Laravel / Node.js / React API)

🚀 Step 1: Launch EC2 Instance

🔹 1. Go to AWS Console

🔹 2. Launch Instance

Basic Configuration:

Key Pair:

Network Settings:

🔐 Step 2: Connect to EC2 via SSH

chmod400 my-key.pem

ssh-i my-key.pem ec2-user@<public-ip>

👉 For Ubuntu:

ssh-i my-key.pem ubuntu@<public-ip>

🌐 Step 3: Allocate Elastic IP

🔹 1. Go to Elastic IPs

🔹 2. Allocate

🔗 Step 4: Associate Elastic IP with EC2

👉 Now your server has a static public IP

🧪 Step 5: Verify Connection

ping <elastic-ip>

Open browser:

http://<elastic-ip>

🧩 Step 6: Install Basic Web Server

🔹 For Amazon Linux:

sudo yum update-y
sudo yum install-y nginx
sudo systemctl enable--now nginx

🔹 For Ubuntu:

sudo apt update
sudo apt install-y nginx
sudo systemctl enable--now nginx

🔍 Step 7: Test Web Server

curl http://localhost

👉 Or open in browser:

http://<elastic-ip>

You should see Nginx default page

🧠 Key Concepts

⚠️ Best Practices

🧪 Real-World Use Case

👉 Hosting your backend:

📌 Summary