🚀 Complete CI/CD + Docker Deployment Flow
🚀 Complete CI/CD + Docker Deployment Flow The big picture is: Developer writes code ↓ Git commit ↓ Push to GitHub / GitLab / Bitbucket ↓ CI/CD pipeline starts ↓ BUILD ↓ TEST ↓ Create Docker Image ↓ Push Image to Registry ↓ DEPLOY ↓ Server / Cloud / Kubernetes / Cloud Run ↓ Container starts ↓ Application starts listening on PORT ↓ User sends HTTP request ↓ Application responds Let's understand every step . 1. Developer writes code Suppose you're developing a Java Spring Boot application: payment-service/ │ ├── src/ │ ├── main/ │ │ └── java/ │ └── test/ │ ├── pom.xml ├── Dockerfile └── application.properties Your code could contain: @ RestController public class PaymentController { @ GetMapping ( "/payment" ) public String payment () { return "Payment successful" ; } } Your application need...