Day 50: MASTER Kubernetes Ingress | PART 2 | Path-Based Routing on Amazon EKS | AWS ALB | CKA 2025

Day 50: MASTER Kubernetes Ingress | PART 2 | Path-Based Routing on Amazon EKS with AWS ALB | CKA 2025
👉 GitHub Repository: https://github.com/CloudWithVarJosh/CKA-Certification-Course-2025
👉 CKA 2025 Playlist: https://youtube.com/playlist?list=PLmPit9IIdzwRjqD-l_sZBDdPlcSfKqpAt&si=1JNRkoNa75AOJx0o

📚 Welcome to Day 50!
In this second part of our 3-part Ingress series, we move from theory to hands-on practice — deploying a real-world, path-based routing solution on Amazon EKS using the AWS Load Balancer Controller (ALB Ingress Controller).

This demo mirrors production-grade architecture, where routing is based on /iphone, /android, and / paths — much like what real users would hit via your app or website. We also explore how pod distribution across AZs is achieved using topologySpreadConstraints, and dig deep into target-type: ip vs. instance.

🛠 What You’ll Learn:

✅ Installing AWS Load Balancer Controller in EKS
✅ Deploying multiple services (Android, iPhone, Desktop)
✅ Understanding and configuring topologySpreadConstraints
✅ Creating a path-based Ingress resource with real-world routing
✅ IngressClass demystified
✅ Verifying behavior through CLI and AWS Console
✅ Pros & cons of target-type: ip vs instance
✅ Final end-to-end validation via ALB DNS

💡 By the end of this lecture:
You'll be able to confidently configure and troubleshoot path-based routing using AWS ALB in an Amazon EKS environment — with production-readiness in mind.

🔗 Stay Connected:
👉 LinkedIn: https://linkedin.com/in/varun-joshi-2b516752
👉 GitHub: https://github.com/CloudWithVarJosh

💬 Got questions? Drop them in the comments — I reply to every single one.
👍 Like, share, and subscribe to follow the entire CKA 2025 series!

⏰ Timestamps
00:00:00 Introduction
00:00:41 Amazon EKS Overview & Cluster Setup
00:10:13 What Are We Deploying?
00:14:35 Installing the AWS Load Balancer Controller
00:29:57 Deployments & Services for iPhone, Android, and Desktop Users + topologySpreadConstraints
00:42:51 Real-World Ingress Routing: `/iphone`, `/android`, and Default Desktop Route
00:45:03 Creating the Ingress Resource
00:51:34 Understanding IngressClass
00:59:41 Verifying Ingress via CLI & AWS Console
01:09:10 Deep Dive: `target-type: ip` vs `target-type: instance`
01:17:40 Final Verification: Accessing `/iphone`, `/android`, and Root Path
01:18:46 Important: Delete the Cluster
01:18:58 Outro & What’s Next

🔖 Hashtags
#Kubernetes #CKA #CloudWithVarJosh #CKA2025 #IngressRouting #AWSALB #K8sIngress #DevOps #KubernetesNetworking #CKACourse #AWSLoadBalancerController #PathBasedRouting #CKAExamPrep #KubernetesForDevOps #IngressController #EKS #targettypeip #IngressClass #CKALabs #SRE

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