CodeWithClarity

🚀 Cloud Run Functions — Easy Explanation 1. What problem does it solve? Suppose you have an application where a user uploads an image. User uploads image → something should automatically happen For example: User uploads photo ↓ Image stored in Cloud Storage ↓ Cloud Run Function triggered ↓ Resize image ↓ Create thumbnail ↓ Convert format ↓ Store processed images You don't want your main application to continuously run code waiting for someone to upload an image. 2. What is Cloud Run Functions? Cloud Run function = small piece of code that runs when an event happens. You write a single-purpose function , and Google Cloud runs it automatically when needed. Example: public void processImage ( ImageUploadEvent event ) { // resize image // create thumbnail // convert format } You don't need to create/manage: Server VM Operating system Runtime environment Server scaling Google manages those things. 3. Why is it called ...

🚀 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...