Advanced Docker & Kubernetes

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Advanced Docker & Kubernetes equips developers and DevOps engineers with the skills to build, deploy, secure, and manage containerized applications using Docker and Kubernetes for scalable, resilient, and cloud-native environments.

 

Duration 5 days – 35 hrs

 

Overview

This hands-on, lab-intensive program is designed for engineers who already use containers and want to level up to production-grade Docker and Kubernetes. Participants will build optimized container images, design secure container networks and storage, and deploy real workloads on Kubernetes using enterprise patterns: deployments, autoscaling, services/ingress, configuration/secrets, RBAC, network policies, observability (monitoring/logging), and operational best practices.

The course is aligned to CKA/CKAD-style competencies and enterprise Kubernetes standards (secure-by-default, repeatable delivery, and troubleshoot-ready).

 

Objectives 

  • Build optimized, secure Docker images (multi-stage builds, caching, minimal base, SBOM/scanning concepts).
  • Implement container networking and storage patterns (bridge/host/overlay concepts, volumes, bind mounts).
  • Explain Kubernetes architecture (control plane, etcd, scheduler, kubelet, CNI/CSI) and how components interact.
  • Deploy and manage workloads using Deployments, StatefulSets, DaemonSets, Jobs/CronJobs.
  • Configure Services, Ingress, and troubleshoot common networking issues.
  • Use ConfigMaps, Secrets, resource requests/limits, and scheduling controls for reliability.
  • Apply Kubernetes security practices: RBAC, service accounts, admission/pod security standards, image policies (enterprise approach).
  • Implement observability: health probes, metrics, logging patterns, and production monitoring fundamentals.
  • Troubleshoot pods, nodes, DNS, networking, storage, and deployment rollouts using a structured approach.
  • Follow operational best practices aligned with CKA/CKAD or enterprise cluster standards.

 

Audience

  • DevOps Engineers / SREs
  • Platform / Cloud Engineers
  • Backend Engineers deploying microservices
  • System Administrators transitioning to Kubernetes operations
  • Tech Leads responsible for container platform reliability and delivery standards

 

Pre-requisites

  • Basic Linux CLI skills (files, processes, networking basics)
  • Working knowledge of containers (build/run images, basic Docker usage)
  • Basic understanding of YAML
  • Familiarity with CI/CD concepts (helpful, not required)
  • Optional but helpful: basic Kubernetes exposure (kubectl basics)

 

Course Content

 

Day 1 — Advanced Docker: Image Optimization, Networking, Storage

  • Deep dive into Docker architecture (layers, build cache, runtime concepts)
  • Image optimization patterns
    • Multi-stage builds, build caching, minimal images, tagging strategies
    • Intro to supply-chain hygiene: signing/scanning concepts, SBOM overview (high level)
  • Advanced Docker networking
    • Bridge vs host, port mapping, DNS basics, network drivers overview
  • Storage & persistence
    • Volumes vs bind mounts, permissions, backup/restore patterns

Labs

  • Create multi-stage builds and reduce image size significantly
  • Implement best-practice Dockerfiles (non-root user, minimal base, env handling)
  • Build and run multi-container app with custom Docker networks
  • Persist data using volumes and validate recovery

 

Day 2 — Kubernetes Foundations: Architecture, kubectl Mastery, Core Workloads

  • Kubernetes architecture
    • Control plane components, worker node components, etcd role
    • CNI/CSI overview and how networking/storage integrate
  • kubectl power skills: contexts, namespaces, dry-run, diff, jsonpath, debugging patterns
  • Core objects and workflow
    • Pods, ReplicaSets, Deployments: rollout/rollback strategies
    • Labels/selectors and how they drive operations

Labs

  • Spin up a training cluster (local or provided) and validate access
  • Deploy a microservice using Deployments; perform rollout + rollback
  • Use labels/selectors to route and manage workloads
  • Debug CrashLoopBackOff and image pull errors

 

Day 3 — Services, Ingress, Scaling, Scheduling, Config Management

  • Service discovery and traffic routing
    • ClusterIP, NodePort, LoadBalancer, headless services
  • Ingress fundamentals and routing patterns (path/host-based)
  • Scaling & resiliency
    • HPA basics, resource requests/limits, disruption awareness
  • Configuration management
    • ConfigMaps, Secrets, env vars, mounted configs
  • Scheduling & placement
    • Node selectors, taints/tolerations, affinities (intro-to-practical)

Labs

  • Expose apps via Services; validate DNS + connectivity
  • Configure an Ingress and test routes
  • Apply requests/limits and configure HPA for a deployment
  • Externalize configs with ConfigMaps/Secrets and rotate safely
  • Use taints/tolerations to control placement

 

Day 4 — Security & Cluster Operations (Enterprise Patterns)

  • Kubernetes security essentials
    • RBAC, Roles/ClusterRoles, RoleBindings
    • Service accounts and workload identity patterns
  • Pod security and policy direction
    • Pod Security Standards / admission concepts (enterprise-ready approach)
  • Network security
    • NetworkPolicies and zero-trust basics inside the cluster
  • Operational readiness
    • Namespaces as tenancy boundaries, quotas/limits, multi-team patterns
    • Backup/restore concepts for cluster components (high-level best practices)

Labs

  • Build RBAC roles for dev vs ops personas; validate permissions
  • Apply Pod security hardening (non-root, read-only FS where applicable, capability drops)
  • Implement NetworkPolicies to restrict east-west traffic
  • Apply resource quotas/limit ranges to enforce standards

 

Day 5 — Observability, Logging, Troubleshooting & Production Best Practices

  • Health and reliability
    • Liveness/readiness/startup probes, graceful shutdown, rollout strategies
  • Monitoring fundamentals
    • Metrics concepts, what to monitor (nodes, pods, app SLO signals)
  • Logging patterns
    • Structured logs, sidecar patterns (conceptual), centralized logging approach
  • Troubleshooting playbook (CKA-style)
    • Pods, deployments, services/ingress, DNS, nodes, storage, RBAC issues
  • Production best practices
    • Release strategies, config/secret handling, least privilege, cost controls, governance

Labs

  • Add probes and validate zero-downtime rollout behavior
  • Diagnose networking issue (service selector/port mismatch, DNS misconfig, ingress routing)
  • Diagnose storage issue (PVC binding, access modes, permissions)
  • Fix RBAC denial and validate least-privilege access
  • “Troubleshooting gauntlet”: timed multi-scenario lab (CKA/enterprise aligned)

 

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