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1.1 What Are Distributed Systems and Why Do They Matter
Understand what distributed systems are and the problems they solve. - Definition: multiple computers working togeth...
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1.2 The Fundamental Challenges of Distribution
Understand the core problems that make distributed systems difficult. - Network unreliability: messages can be lost,...
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1.3 The CAP Theorem - Fundamental Trade offs
Understand the CAP theorem and its implications for system design. - CAP theorem explained: Consistency, Availabilit...
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1.4 Consistency Models - The Spectrum
Understand different consistency models and their guarantees. - Strict consistency: impossible in distributed system...
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1.1 The Evolution of Application Deployment
Understand the problems that led to containerization and why containers matter. - Historical context: bare metal → v...
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1.2 What are containers - The Core Concept
Understand what containers are at a fundamental level. - Container definition: isolated, lightweight execution envir...
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1.3 Docker Introduction - The Platform That Changed Everything
Get familiar with Docker and its ecosystem. - What is Docker? The company, the platform, the ecosystem - Docker's ro...
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1.4 Your First Container - Running Docker
Run your first containers and understand basic Docker commands. - docker run: the fundamental command - Running your...
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1.5 Docker Images - The Building Blocks
Understand what Docker images are and how they work. - What is a Docker image? Templates for containers - Images vs ...
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1.6 Creating Your First Dockerfile
Build custom Docker images using Dockerfiles. - What is a Dockerfile? Instructions for building images - Dockerfile ...
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1.7 Working With Containers Essential Operations
Master day-to-day container operations and management. - Executing commands in running containers: docker exec - Get...
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1.8 Docker Networking Basics
Understand how containers communicate with each other and the outside world. - Container networking overview - Port ...
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1.9 Docker Volumes Persisting Data
Learn how to manage persistent data in Docker. - The problem: containers are ephemeral - Data persistence strategies...
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1.10 Putting It Together Your First Application
Build and run a complete multi-component application with Docker. To follow this episode you can clone the repo from...
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2.1 Dockerfile Instructions Deep Dive - Part 1
Master essential Dockerfile instructions and their nuances. - FROM: base image selection, multi-stage builds preview...
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2.2 Dockerfile Instructions Deep Dive - Part 2
Master advanced Dockerfile instructions and patterns. - CMD vs ENTRYPOINT: understanding the difference - Combining ...
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2.3 Multi Stage Builds - Building Lean Images
Create optimized production images using multi-stage builds. - The problem: bloated images with build tools - Multi-...
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2.4 Image Layer Optimization and Caching
Understand and optimize Docker's layer caching mechanism. - How layer caching works - Cache invalidation: what break...
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2.5 Base Image Selection and Security
Choose appropriate base images for security and efficiency. - Base image options: Ubuntu, Debian, Alpine, CentOS, di...
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2.6 Building for Different Architectures
Create multi-architecture images for various platforms. - Architecture challenges: ARM vs x86, M1 Macs - Docker buil...
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2.7 Advanced Build Techniques
Master advanced Docker build capabilities and patterns. - Build arguments: passing values at build time - Dynamic Do...
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2.8 Docker Image Registry and Distribution
Understand image storage, distribution, and registry management. - Docker Hub: the default registry - Public vs priv...
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2.9 Container Security Best Practices
Build and run containers with security in mind. - Security principles for containers - Running as non-root user - Re...
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2.10 Dockerfile Patterns and Anti-Patterns
Learn proven patterns and avoid common mistakes in Dockerfile creation. 👉 Clone the repo and experiment: https://git...
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1.1 The Problem Kubernetes Solves
Understand why Kubernetes exists and what problems it addresses in modern application deployment. - The evolution fr...
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1.2 Deconstructing Docker
Understand containerization technology as the foundation for Kubernetes. - What is a container? Difference between c...
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1.3 Your First Look at Kubernetes
Get familiar with Kubernetes architecture and core concepts at a high level. - What Kubernetes is and isn't (it's an...
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1.4 Pods - The Smallest Deployable Unit
Understand what Pods are, why they exist, and how they work. - Why Kubernetes uses Pods instead of deploying contain...
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1.5 Labels, Selectors and Namespaces
Learn how Kubernetes organizes and identifies resources. - The importance of labels in Kubernetes: flexible organiza...
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1.6 ReplicaSets - Maintaining Desired Pod Count
Understand how Kubernetes ensures application availability through replication. - The problem: what happens when a P...
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1.7 Deployments - Managing Application Updates
Learn how to deploy and update applications safely in Kubernetes. - Why we use Deployments instead of ReplicaSets di...
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1.8 Services - Stable Networking for Pods
Understand how Services provide consistent access to Pods despite their ephemeral nature. - The problem: Pods have d...
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1.9 Local Kubernetes Setup
Get hands-on with Kubernetes using local development tools. - Options for local Kubernetes: Minikube, kind (Kubernet...
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2.1 ConfigMaps - Decoupling Configuration from Code
Learn how to externalize application configuration in Kubernetes. - Why separate configuration from container images...
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2.2 Secrets - Managing Sensitive Information
Understand how to handle sensitive data securely in Kubernetes. - What are Secrets and how they differ from ConfigMa...
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2.3 Persistent Volumes and Claims - Stateful Storage
Learn how Kubernetes handles persistent data storage. - The problem: Pod storage is ephemeral - Volumes vs Persisten...
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2.4 Storage Classes and Dynamic Provisioning
Understand automated storage provisioning in Kubernetes. - Manual vs dynamic provisioning - How Storage Classes work...
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2.5 StatefulSets - Managing Stateful Applications
Learn how to run stateful applications with stable identities and storage. - Deployments vs StatefulSets: when to us...
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2.6 DaemonSets - One Pod Per Node
Understand when and how to run Pods on every node. - Use cases: log collection, monitoring agents, node networking, ...
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2.7 Jobs and CronJobs - Running Tasks to Completion
Learn how to run batch processing and scheduled tasks. - Jobs: run-to-completion workloads - Job patterns: single jo...
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2.8 Resource Management - Requests and Limits
Understand how to manage CPU and memory allocation for containers. - The problem: resource contention and node insta...
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2.9 Init Containers and Container Lifecycle Hooks
Learn about container initialization and lifecycle management. - Init Containers: running setup tasks before main co...
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2.10 Health Checks - Liveness, Readiness and Startup Probes
Implement application health monitoring and automatic recovery. - Why health checks matter: detecting failures autom...
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3.1 Kubernetes Networking Model - The Fundamentals
Understand the core networking principles in Kubernetes. - The Kubernetes networking requirements: all Pods can comm...
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3.2 CNI Plugins - Calico, Flannel, Cilium and More
Explore different CNI implementations and their trade-offs. - What CNI plugins do: IPAM, routing, network policy enf...
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3.3 Services Deep Dive - How They Really Work
Understand the internal mechanics of Services and kube-proxy. - Service VIP (Virtual IP) allocation from service CID...
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3.4 Ingress - HTTP and HTTPS Routing
Learn how to expose HTTP services efficiently with Ingress. - The problem with LoadBalancer Services: cost and compl...
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3.5 Network Policies - Securing Pod Communication
Implement network segmentation and security within the cluster. - Default behaviour: all Pods can communicate with a...
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3.6 DNS in Kubernetes - Service Discovery Explained
Understand how DNS enables service discovery in Kubernetes. - CoreDNS: the DNS server in Kubernetes - DNS record typ...
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3.7 LoadBalancer Services and Cloud Integration
Understand how Kubernetes integrates with cloud load balancers. - LoadBalancer Service type and cloud controller man...
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3.8 ExternalDNS - Automated DNS Management
Learn how to automatically manage DNS records for Services and Ingresses. - The problem: manually updating DNS for S...
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3.9 Service Mesh Introduction Istio and Linkerd
Understand what service meshes are and when you need them. - Problems at scale: observability, security, traffic man...
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3.10 Network Troubleshooting Tools and Techniques
Master debugging network issues in Kubernetes. - Common network problems: DNS failures, connectivity issues, timeout...
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RepikiBot delivers clear, concise technology explainers to help developers, engineers, and tech enthusiasts level up their knowledge. Our videos break down complex concepts into digestible content that you can apply in real-world scenarios. Subscribe to our YouTube channel to stay updated as we expand our content library covering Kubernetes, DevOps, cloud-native tools, and more.