Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Learning objectives
- Master Kustomize to customize Kubernetes manifests in professional environments
- Develop reusable overlays that boost enterprise productivity
- Implement strategic patches on ConfigMaps and certified Secrets
- Design scalable Kustomize directory structures for multi-environment deployments
- Optimize Kubernetes configurations with inheritance and advanced generators
- Deploy CI/CD pipelines integrating Kustomize for certified DevOps skills
The Learni story
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Why this program matters
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Program
Module 1Kustomize Fundamentals: Installation and kustomization.yaml Structure (CLI, kubectl-kustomize)
Quick installation of Kustomize CLI and integration with kubectl, exploration of the kustomization.yaml structure through practical exercises on a Minikube cluster, creation of common bases for Kubernetes applications, initial customization of resources with resources and namespace, production of manifests ready for team review, immediate valorization of declarative management skills for professional projects.
Module 2Kustomize Overlays: Multi-Environment Customization (dev, staging, prod)
Building hierarchical overlays for dev, staging, and prod, applying bases and patches to real Deployments, managing variables with configMapGenerator and secretGenerator, iterative testing on a local cluster with kustomize build, resolving common YAML conflicts, generating optimized manifests ready for Helm or ArgoCD, concrete time savings on enterprise deployment cycles.
Module 3Advanced Kustomize Patches: ConfigMaps, Secrets, and Images (jsonPatch, strategicMergePatch)
Mastery of jsonPatch and strategicMergePatch for precise modifications on ConfigMaps and Secrets, dynamic image injection with imageOverrides, exercises on migrating existing apps to Kustomize, securing secrets without inline base64, cross-validation with kubeval, production of configurable bundles for GitOps pipelines, acceleration of DevOps skills for critical environments.
Module 4Kustomize Inheritance and Deployment: Scalability in Production (Generators, CI/CD)
Exploration of overlay inheritance for complex directory structures, integration of Helm and custom generators, automated deployment via GitHub Actions and FluxCD, optimization for multi-clusters, final audit of configurations with kustomize edit, delivery of a production-deployable red thread project, consolidation of certified skills to boost enterprise DevOps careers.
Evaluation method
- End-of-training multiple-choice quiz to validate knowledge acquisition
- Continuous evaluation through practical Kustomize exercises
- Presentation of the multi-environment red thread project
Learning method
- Courses led by an active DevOps expert trainer
- Practical exercises on real Kubernetes clusters
- Progressive red thread project with Kustomize in production
- Complete course materials and Git examples provided to participants
Methods, materials and delivery
The Training Kustomize - Effectively Customize Kubernetes Configs program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Training Kustomize - Effectively Customize Kubernetes Configs program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Training Kustomize - Effectively Customize Kubernetes Configs program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
Verified reviews
What our learners
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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