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Introduction to Kubernetes & EKS: Learnings & Pitfalls
- Kubernetes (K8s) has become a critical tool for container orchestration, automating deployment, scaling, and management of containerized applications.
- Originating from Google, Kubernetes combines 15+ years of experience in production container workloads and was open-sourced in 2014.
- Key features of Kubernetes include automated rollouts, self-healing, service discovery, load balancing, namespaces, and various add-ons.
- Deploying to Kubernetes involves using kubectl, Infrastructure as Code (IaC), and Helm for managing resources and applications.
- While Kubernetes simplifies application management, it introduces complexities that require a deep understanding of its architecture.
- Amazon EKS simplifies Kubernetes management by offering a managed service, letting organizations focus on applications rather than infrastructure.
- EKS integrates seamlessly with AWS services for compute, monitoring, networking, security, storage, and autoscaling.
- A real-world customer use-case involved automating the build, deployment, and scalability of a web application fed with IoT streaming data.
- Challenges encountered include EKS Fargate limitations, CloudWatch observability setup, cost management, updates maintenance, and complexity.
- AWS continues to enhance EKS with new features like IAM cluster access management and extended Kubernetes version support.
- Kubernetes and EKS offer robust tools for managing containerized apps, with certifications like CKA, CKAD, and CKS recommended for those interested in the field.
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