Day 4 : Allocate Elastic IP
100 Days of Cloud (AWS)

I'm Zin Lin Htet. Who love to learn and share about Linux, Cloud, Docker and K8s. Currently working as a DevOps Engineer at one of the famous Fintech Company in Myanmar.
Welcome back guys. Today we will learn how to allocate Elastic IP in AWS. In this lab you need to create one Elastic IP and name sould be datacenter-eip.
What is an Elastic IP (EIP) ?
A permanent public IPv4 address.
Stays the same even if your EC2 instance is stopped or rebooted.
You can move it between instances in your account.
Useful for applications that need a fixed public IP (e.g., DNS records, external integrations, whitelisting).
When to Use an EIP ?
Use an Elastic IP when your application needs:
✔ A stable public IP for:
DNS mapping (yourdomain.com → fixed IP)
Production servers that must always be reachable
SSH access from fixed IP
API integrations that require whitelisting
So let’s get started.









Congratulations you did it. It looks good. This lab was successfully completed without any errors. See you in day 5. If you have any issues please let me know I will be happy to assist you. Stay tuned and learn together. If you find my article useful, please kindly like and share it.




