Learn the platform skills
companies hire for.
Practical, interview-ready learning for platform engineers: SRE, Kubernetes and DevOps today, with AI in the software lifecycle next. From your first day to leading a team.
- Free lessons in every section
- No auto-renewal
- Interview questions in every lesson
- Pay by UPI
Choose a section and see exactly what you get
Select a topic. The lessons, learning path and practice below change to match.
🛡️ Site Reliability Engineering
From your first day on call to leading an SRE organisation.
Start free with SRE
Learn how SRE thinks, how to measure reliability, how to debug on call, and what interviewers expect.
- 1SRE Fundamentals: What It Is, Why It Exists and How to Think Like an SREStart here. A clear, story-driven introduction to Site Reliability Engineering: the problem it solves, the core ideas, a day in the life and the answers interviewers expect. · 20 min
- 2SLIs, SLOs and SLAs Explained with Real ExamplesLearn to turn "the site feels slow" into numbers: choose indicators, set objectives, calculate budgets and avoid the classic mistakes, with Prometheus queries and a practice workshop. · 24 min
- 3Embracing Risk: How Much Reliability Is Enough?Why 100% is the wrong target, how to measure service risk, set availability by product need and cost, and turn the answer into an error budget. · 22 min
- 4Python Fundamentals for SREs: Your First Useful ScriptsA hands-on introduction to the Python you will actually use on call, with a progressive set of mini projects: a health checker, a log counter and a safe retry helper. · 26 min
- 5Observability vs Monitoring: Metrics, Logs, Traces and the Golden SignalsA friendly, visual introduction to how SREs see inside production systems: what each signal is good for, how to use them together, dashboards that work and costs that do not explode. · 22 min
- 6Effective Troubleshooting: A Method, Not MagicThe hypothetico-deductive loop, triage, examining systems, avoiding common traps, and making future debugging easier. · 24 min
- 7Kubernetes Troubleshooting: A Step-by-Step Playbook for Pods, Nodes and NetworkingFix the most common Kubernetes failures with a calm, repeatable method: scenario walk-throughs with real kubectl output, a decision flow, a command cheat sheet and a practice lab. · 28 min
- 8AWS Core for SREs: VPC, Networking and IAM Explained VisuallyRegions, AZs, VPC design, routing, security groups, load balancers, Route 53 and IAM, from first principles to the architecture patterns and the questions interviewers love. · 26 min
- 9Chaos Engineering Fundamentals: Break Things on Purpose, SafelyWhat chaos engineering really is, how to run your first safe experiment step by step, which failures to test, how to get buy-in, and a ready-made game-day plan. · 22 min
- 10SRE Interview Preparation: Study Plans, Question Bank and a Winning Answer FrameworkEverything to prepare well: what each interview round tests, 30-day plans for every career stage, a rapid-fire question bank, a framework for any scenario question and a mock-interview checklist. · 24 min
Inside the SRE section
86 lessons across 11 tracks.
SRE Foundations
SLIs, SLOs, error budgets, toil, Linux and networking — the core every interviewer probes.
7 lessons →Python for SREs
The Python you actually use on call: scripts, log parsing, APIs, concurrency, AWS automation, testing and coding-interview patterns.
9 lessons →Observability & Monitoring
Metrics, logs, traces, Prometheus, OpenTelemetry and alerts that do not wake you for nothing.
14 lessons →Incident Management
Command structure, debugging under pressure, blameless postmortems and on-call health.
8 lessons →Reliability Engineering
Capacity, release safety, scaling and disaster recovery for large systems.
16 lessons →Kubernetes & Infrastructure as Code
Troubleshoot and harden Kubernetes; manage infrastructure with Terraform safely.
8 lessons →AWS for SREs
VPC, IAM, EC2/EKS/Lambda, data stores, CloudWatch and multi-AZ/region reliability on AWS.
5 lessons →Chaos Engineering
Design, run and scale safe failure experiments, from game days to continuous chaos.
2 lessons →SRE with AI
AIOps, LLM incident copilots and how to run reliable ML and LLM systems in production.
6 lessons →Build and Lead an SRE Organisation
Form an SRE team from zero, roll out practices phase by phase, and reach top maturity with the right KPIs and OKRs.
7 lessons →Interview Mastery
System design, live scenarios, behavioural rounds and level-by-level preparation plans.
4 lessons →One path from first day to SRE leader
Whether you are new to SRE or have decades in infrastructure, start at the stage that fits you and keep growing.
Getting started
New to SRE or moving from IT or development
- SRE principles, risk, SLIs and SLOs
- Linux, networking and Python basics
- Monitoring, logging and first incidents
- Kubernetes troubleshooting basics
Practitioner
Running production services on call
- Error budgets, alert standards, runbooks
- Python automation and boto3
- Terraform, CI/CD and AWS services
- Postmortems, capacity and chaos basics
Senior and staff
Designing reliability across many systems
- Distributed tracing with OpenTelemetry
- Overload, cascades, consensus and data integrity
- Advanced Kubernetes and network reliability
- Gen AI use cases and LLM observability
Leader and principal
Building and leading SRE teams and strategy
- Form an SRE team from scratch, phase by phase
- Maturity assessment and roadmap
- KPIs, OKRs and executive scorecards
- Observability strategy, FinOps and AI governance
Learn it. Practise it. Prove it.
Learn
86 deep lessons on SRE, from first principles to leadership, with real examples and rollout plans.
10 freePractise
3 scored scenarios where your decisions change the outcome, with a debrief.
3 simulationsRehearse
287 interview questions with model answers, taken from every lesson. Answer aloud, then check.
Interview trainerProve
1:1 mock interviews with a written scorecard. ₹99 for one, ₹300 for five.
Book a session☸️ Kubernetes
From your first pod to running secure, scalable platforms.
Start free with Kubernetes
Understand how Kubernetes really works, then deploy, expose and troubleshoot applications with confidence.
- 1Why Kubernetes Exists and How It Really WorksStart here. The problem Kubernetes solves, the mental model of desired state and control loops, the cluster architecture, and a practical plan for deciding whether and how to adopt it. · 22 min
- 2Containers and Images: The Foundation Under Every PodHow containers actually work, how to build small, fast, secure images, how registries and tags behave, and a team standard for container builds you can roll out. · 20 min
- 3Your First Cluster and kubectl: A Hands-On GuideCreate a local cluster, learn the kubectl commands you will use every day, read and write YAML with confidence, and organise work with namespaces and contexts, with a practice lab you can finish in an hour. · 24 min
- 4Pods in Depth: Lifecycle, Probes, Multi-Container Patterns and ResourcesEverything about the smallest deployable unit: how a pod starts, runs and stops, how health probes work, sidecar and init patterns, resource requests and limits, and a team checklist for production-ready pods. · 26 min
- 5Deployments and Rollouts: Shipping and Rolling Back Without DowntimeHow Deployments and ReplicaSets keep your app running, how rolling updates work, how to tune and observe a rollout, strategies beyond rolling updates, and a release practice you can adopt across teams. · 26 min
- 6Services and Service Discovery: How Pods Find Each OtherHow Kubernetes gives changing pods a stable address, the four Service types, how DNS and endpoints work, how to debug a Service that does not respond, and a networking standard for your platform. · 24 min
- 7Kubernetes Interview Scenarios: How to Think Aloud and Win the RoundTwelve realistic troubleshooting and design scenarios with a repeatable answer structure, model answers, the commands interviewers expect, and the follow-up questions to prepare for. · 26 min
Inside the Kubernetes section
24 lessons across 7 tracks.
Kubernetes Foundations
How Kubernetes works, containers and images, your first cluster, kubectl and pods in depth.
4 lessons →Running Workloads
Deployments and rollouts, configuration and secrets, scheduling and resources, stateful sets, daemons and jobs.
4 lessons →Networking and Traffic
Services and discovery, ingress and the Gateway API, pod networking, CNI and network policies.
3 lessons →Storage and Stateful Data
Volumes, persistent volumes and claims, storage classes, running databases and backing them up.
2 lessons →Security
RBAC and service accounts, pod hardening and supply-chain security, and threat modeling a cluster.
3 lessons →Operating Clusters
Autoscaling, Helm and GitOps, observability, upgrades, extending Kubernetes and production readiness.
6 lessons →Interview and Certification
Scenario-based interview practice and a hands-on strategy for the CKA, CKAD and CKS exams.
2 lessons →One path from your first pod to running platforms
Whether you are deploying your first container or designing a cluster platform, start at the stage that fits you and keep building.
Getting started
New to containers and Kubernetes
- How Kubernetes works
- Containers, images and kubectl
- Pods, Deployments and rollouts
- Services and configuration
Practitioner
Running real workloads for a team
- Scheduling and resource sizing
- Ingress, policies and storage
- Stateful workloads and jobs
- RBAC, Helm and GitOps
Platform engineer
Responsible for clusters and shared platforms
- Databases and backups
- Pod security and supply chain
- Observability and upgrades
- Operators and extending the API
Certify and lead
Setting standards and proving skills
- Production readiness reviews
- Interview scenarios
- CKA, CKAD and CKS strategy
- Platform governance
Learn it. Practise it. Prove it.
Learn
24 deep lessons on Kubernetes, from first principles to leadership, with real examples and rollout plans.
7 freePractise
2 scored scenarios where your decisions change the outcome, with a debrief.
2 simulationsRehearse
127 interview questions with model answers, taken from every lesson. Answer aloud, then check.
Interview trainerProve
1:1 mock interviews with a written scorecard. ₹99 for one, ₹300 for five.
Book a session♾️ DevOps
Ship faster and more safely with modern delivery practices.
Start free with DevOps
See how modern teams measure delivery, work together and release software quickly without breaking production.
- 1What DevOps Really Is: Culture, Flow and Feedback Explained SimplyStart here. Why DevOps exists, what it is and is not, the CALMS framework, the delivery pipeline end to end, and a practical plan to begin improving how your organisation ships software. · 22 min
- 2Measuring DevOps Performance: DORA Metrics, Flow and Honest DashboardsThe four key delivery metrics, how to calculate each from your own tools, benchmarks, supporting flow and quality measures, how to avoid gaming, and a plan to roll out measurement across teams. · 24 min
- 3Why DevOps Efforts Stall: Six Traps and How to Escape Each OneThe patterns that quietly block improvement, from tool-first buying to gatekeeper teams and metrics used as weapons. Learn to spot each trap, measure its cost and fix it with structure rather than slogans. · 20 min
- 4Collaboration That Works: Shared Goals, Working Agreements and Healthy CommunicationPractical ways to make developers, operations, security and product genuinely work as one team: shared goals, working agreements, decision records, meetings that earn their time, and conflict handled early. · 22 min
- 5Git Workflows and Trunk-Based Development: Small Changes, Fast FeedbackHow version control underpins delivery, the common branching models and their trade-offs, why short-lived branches win, code review habits that scale, and a practical migration plan to trunk-based development. · 24 min
- 6DevOps Interview Scenarios: Pipelines, Culture, Incidents and Design QuestionsTwelve realistic DevOps interview scenarios with a structure for answering, model responses, the follow-ups to expect and a rapid-fire question set, for engineers at every level. · 26 min
Inside the DevOps section
22 lessons across 7 tracks.
DevOps Foundations
What DevOps really is, how we got here, how to measure it, and the traps that stall improvement.
4 lessons →Culture and Collaboration
Shared goals, blameless learning, trust between teams, mentoring and sustainable on-call.
4 lessons →Source, Build and Delivery
Git workflows, CI pipelines, continuous delivery, release strategies, testing and artefact management.
4 lessons →Infrastructure and Automation
Infrastructure as code, configuration management, immutable infrastructure and environments.
3 lessons →DevSecOps and Operations
Security in the pipeline, monitoring, logging and alerting that close the feedback loop.
2 lessons →Scaling DevOps
Team structures, platform engineering, transformation playbooks and toolchain governance.
3 lessons →Interview and Career
Realistic DevOps interview scenarios and a career and preparation plan.
2 lessons →One path from your first pipeline to leading a transformation
Whether you are building your first CI pipeline or leading change across an organisation, start at the stage that fits you and keep growing.
Getting started
New to DevOps or moving from development or operations
- What DevOps really is
- Measuring delivery performance
- Common traps
- Git and team working habits
Practitioner
Building and running delivery pipelines
- CI pipelines and testing
- Release strategies
- Infrastructure as code
- Monitoring and blameless learning
Senior and platform
Designing delivery systems across teams
- Environments and cloud foundations
- DevSecOps
- Trust between teams
- Platform engineering
Leader
Leading change and building teams
- Transformation playbook
- Toolchain governance
- Career and hiring
- Interview mastery
Learn it. Practise it. Prove it.
Learn
22 deep lessons on DevOps, from first principles to leadership, with real examples and rollout plans.
6 freePractise
2 scored scenarios where your decisions change the outcome, with a debrief.
2 simulationsRehearse
112 interview questions with model answers, taken from every lesson. Answer aloud, then check.
Interview trainerProve
1:1 mock interviews with a written scorecard. ₹99 for one, ₹300 for five.
Book a sessionFrom curious to confident in four steps
Pick a section
Start with the topic your job or next role needs.
Read the free lessons
See the depth and teaching style before you pay anything.
Unlock what you need
₹500 per section for 3 months. Any 3 sections for ₹999
Practise and prove it
Simulations, an interview trainer and 1:1 mock interviews.
Simple pricing
₹500 per section for 3 months. Any 3 sections for ₹999. No auto-renewal. Free lessons in every section.
See pricingQuestions, answered
Do I need prior experience?
No. Every section starts with free foundation lessons and builds to senior and leadership topics, so you can begin at your own level.
How does access work?
You buy one or more sections and get access to each for the period shown at checkout (typically 90 days). Access ends automatically, with no auto-renewal, and you can buy again to extend it.
Can I buy more than one section?
Yes. Pick any sections on the pricing page. If a bundle is active, choosing the bundle size gets you a single lower price.
What is free?
Every section has free lessons you can read with a free account, plus a free incident simulation and a set of free practice questions.
How do I pay?
Pay by UPI: scan the QR code or tap your UPI app, then send us the transaction ID (UTR). We confirm the payment and unlock your sections manually, usually within a few hours.
Can I get a refund?
No. All payments are final and we do not offer refunds, so please try the free lessons in a section before you buy it. If you paid but did not get access, write to us with your UPI transaction ID within 7 days and we will grant it.
1:1 Mock Interviews from ₹99
Practise with a real interviewer and get a written scorecard. ₹99 per interview or ₹300 for 5.
Book a mock interview