Most Teams Think They Have CI/CD. They Don’t.

Most Teams Think They Have CI/CD. They Don’t. Most teams say they have CI/CD. But if someone is still SSH-ing into a server and running Docker commands manually, the system is not truly automated. Most teams automate steps. Very few automate the system. This is where the gap exists. This is not a theory post — this is based on a real working lab setup. This article breaks down how GitHub Actions actually works — using both a real-world analogy and a technical perspective — based on a hands-on lab where a Dockerized nginx application is deployed to an EC2 instance on AWS. 🧠 Real-World View Think of GitHub Actions like a diligent assistant who watches your mailbox. Your house (EC2 instance) sits inside a gated community (VPC), so only authorised people can access it. • The house is on a street (public subnet) • The main gate (Internet Gateway) is the only way in and out • A traffic controller (route table) directs visitors correctly • The front door lock (security group – ports 22 and 8