Training Kustomize - Optimize Kubernetes Deployments

$4,620

  • 4 days
  • Onsite
  • 10 people max.
Ref: PUZ451
10 people max.
$4,620
In-company rate: from $7,865 for the whole team
On-site and certification exam on quote
4 days
Onsite

Don't let this gap widen

Why this program matters

  • Without Kustomize mastery, DevOps teams waste 50% of time on repetitive manual YAML configs.

  • Deployment errors trigger 25% of downtime incidents, costing 10k€/day per critical cluster.

  • 68% of cloud enterprises in 2024 require Kustomize GitOps, sidelining outdated profiles.

  • Every quarter without expert skills risks forced reskilling, multi-million cloud contract losses, and competitors shipping scalable secure releases 3x faster.

Nawfel ABED, Learni trainer · Cybersecurity expert
Nawfel ABED

Learni trainer · Cybersecurity expert

73%productivity gap
×3cost of inaction
Flag of the United StatesBuilt for US teams
Payment by wire transferEnhanced confidentialityPerfect for companies with 50 to 500 employeesScheduling to fit any time zone

Trusted by — schools, companies and industrial groups

40,841 programs · 25 countries

  • Aptar
  • ArcelorMittal
  • Equans
  • EDF
  • Ubisoft
  • Microsoft

Every program built with a dedicated engineer

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  • Microsoft Dynamics 365
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  • VMware
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  • Databricks
  • Snowflake
  • OVHcloud
  • Notion
  • AMD
  • Apple

Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.

Kustomize training objectives

  • Master Kustomize for customizing professional Kubernetes configurations
  • Develop advanced overlays adapted to multi-environment enterprise settings
  • Implement patches and generators for certified automations
  • Configure scalable Kustomize bases connected to CI/CD
  • Optimize secure deployments with Kustomize validators
  • Design professional GitOps pipelines via Kustomize

Kustomize curriculum: 4 modules over 4 days

Module 1 : Kustomize Fundamentals: Basic Structures and kustomization.yaml (resources, namespace)

Quick installation of Kustomize in Kubernetes CLI, creation of first base with imported YAML resources, configuration of kustomization.yaml to transform standard manifests, practical exercises on structuring multi-file projects, generation of initial builds tested in minikube, production of first functional overlay ready for dev environments.

Module 2 : Kustomize Patches: Advanced Customizations (patchesJson6902, strategicMerge)

Exploration of patchesStrategicMerge to modify deployments without copying, application of patchesJson6902 on sensitive secrets and configmaps, building overlays for differentiated staging and prod, real enterprise cases with dynamic variables, iterative tests via kubectl apply -k, creation of documented reusable patches plan for DevOps teams.

Module 3 : Kustomize Generators: Config Automation (configMapGenerator, secretGenerator)

Implementation of configMapGenerator to inject env vars without templates, securing secretGenerator with literal hashing, integration of image generators for dynamic Docker tags, exercises on real microservices apps, validation of outputs with kustomize build --validate, delivery of modular optimized generators for cluster scalability.

Module 4 : Kustomize CI/CD Integration: Production Best Practices (ArgoCD, Flux, Helm)

Coupling Kustomize to GitHub Actions and GitLab CI pipelines for auto builds, GitOps deployment with synchronized ArgoCD, performance optimization via commonLabels and imagesPullPolicy, security audit with Kustomize validators, capstone project deployed in prod-like environment, delivery of complete playbook of best practices for certified enterprises.

How Kustomize skills are assessed

  • Expert quiz to validate Kustomize skills at the end of the training
  • Assessment of practical exercises on overlays and generators
  • Presentation of GitOps deployment capstone project

How the Kustomize course is taught

  • Courses delivered by certified active Kubernetes DevOps trainer
  • Exercises based on real scalable enterprise Kubernetes cases
  • Progressive 4-day Kustomize capstone project
  • Detailed course materials and Kustomize resources provided

Kustomize training: access and practical arrangements

The Training Kustomize - Optimize Kubernetes Deployments program is delivered onsite or remote (blended-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 - Optimize Kubernetes Deployments 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 - Optimize Kubernetes Deployments 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

Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.

The Learni story

Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.

Our method

How Learni guarantees the quality of your Kustomize training

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.

Step 1

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.
Step 2

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.
Step 3

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.
Step 4

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.

A child walking to school with a backpack
Our social commitment

A school kit donated to a child for every training booked

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.

  • Backpack, notebooks and essential supplies
  • Distributed through our partner charities
  • Included, at no extra cost to you
Enroll and offer a kit
FAQ

Kustomize: frequently asked questions

Which tools are used in Kustomize training?+
Hands-on work runs on resources, namespace, patchesJson6902, strategicMerge, configMapGenerator and secretGenerator. Those tools come from the Kustomize program itself, delivered on site over 4 days, so participants practise on the stack they will use at work.
What can participants do after Kustomize training?+
They can master Kustomize for customizing professional Kubernetes configurations, develop advanced overlays adapted to multi-environment enterprise settings and implement patches and generators for certified automations. Those are the stated objectives of the Kustomize program at Expert level, checked by the end-of-session assessment.
What does the Kustomize program cover, day by day?+
Day 1: Kustomize Fundamentals: Basic Structures and kustomization.yaml (resources, namespace). Day 2: Kustomize Patches: Advanced Customizations (patchesJson6902, strategicMerge). Day 3: Kustomize Generators: Config Automation (configMapGenerator, secretGenerator). Day 4: Kustomize CI/CD Integration: Production Best Practices (ArgoCD, Flux, Helm). The Kustomize program runs over 4 days, delivered on site.
How is Kustomize training assessed?+
Assessment relies on expert quiz to validate Kustomize skills at the end of the training, assessment of practical exercises on overlays and generators and presentation of GitOps deployment capstone project. Learni issues a completion certificate together with the individual assessment report at the end of the Kustomize program, which an L&D team can file as evidence.
How much does Kustomize training cost per participant?+
Kustomize training costs $4,620 per participant. For an in-company team, the flat rate starts at $7,865 for the whole group, up to 8 people. The detailed quote, sent within one business day, adjusts the amount to the format and how far the syllabus is tailored to your team.
How long does Kustomize training take?+
4 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Kustomize training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Kustomize training?+
Advanced Kubernetes proficiency, structured YAML, GitOps, CI/CD pipelines with Helm.
Is a certificate issued after Kustomize training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
Does Learni provide the equipment for Kustomize training?+
No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.
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