Day-21 - Securing communication inside Kubernetes using TLS certificates 🔐

 Day-21 - Securing communication inside Kubernetes using TLS certificates 🔐 

Hands-on Demo:
1️⃣ Generated private key & CSR
openssl genrsa -out <username>.key 2048
openssl req -new -key <username>.key -out <username>.csr -subj "/CN=<username>"
2️⃣ Created csr.yaml and applied it
kubectl apply -f csr.yaml
kubectl certificate approve <name>
3️⃣ Extracted & decoded the approved certificate with the help of simple command : echo "<certificate>" | base64 -d

Key Learning:
Every K8s component communicates securely using TLS — understanding this flow helps DevOps engineers automate and troubleshoot authentication like pros