Learn Kubernetes & Docker - .NET Core, Java, Node.JS, PHP or Python
Learn Kubernetes & Docker - .NET Core, Java, Node.JS, PHP or Python
Be ready to create and run your containerized and orchestrated application next week.
About the Book
This book is for anyone who needs to run software using Docker and orchestrate it on Kubernetes. Whether you’re a developer, a DevOps manager or a technician, this book should help you create Docker containers then plan and run them as Kubernetes workloads.
I assume that you have no previous knowledge about containers or containers orchestration.
I made my best to keep this book small, so that you can learn Kubernetes and Docker quickly without getting lost in petty details. If you are looking for a reference book where you’ll find answers to all the questions you may have within the next 4 years of your Kubernetes practice, you’ll find other heavy books for that. My purpose is to swiftly provide you with the tools you need to create and run your first cloud-ready application using Kubernetes and Docker, then be able to look for more by yourself when needed.
Plus this book is packed with exercises and samples where you create, run and manage your own applications as Docker containers on your machine then on a Kubernetes cluster.
Read this book, and you can create and run your first Kubernetes application within a week. Or your money back.
- What this book is not
- How to read this book
- Tools you need
- Source code
1. Why Docker?
- 1.1 A DevOps enabler tool
- 1.2 It solves dependency conflicts
- 1.3 It allows for easy scaling up
- 1.4 It allows for seamless upgrades
- 1.5 International commerce already uses containers
2. Why Kubernetes?
- 2.1 The need for container orchestration
- 2.2 What’s K8s?
3. Get Docker up and running
- 3.1 Various products for various needs
- 3.2 Community on a developer or CI machine
- 3.3 Enterprise on a Server
- 4. Basic concepts
5. Use Docker images
- 5.1 Do-it-yourself: run a container
- 5.2 Container management commands
- 5.3 Do-it-yourself: post-mortem inspection
- 5.4 More about docker run
- 5.5 Running a server container
- 5.6 Exercise - Run a server container
- 5.7 Exercise solution
- 5.8 Using volumes
- 5.9 Where do images come from?
6. Create Docker images
- 6.1 Creating a simple image
- 6.2 Creating an image including files
- 6.3 Images are created locally
- 6.4 Exercise - Build an image and run it
- 6.5 Exercise solution
- 6.6 Tags matter
- 6.7 Parameters as environment variables
- 6.8 Exercise - Enable an image to be parameterized
- 6.9 Exercise solution
- 6.10 Storage
- 6.11 Networking
- 6.12 Learning more
7. Publish Docker images
- 7.1 Rationale for publishing
- 7.2 Registries
- 7.3 Publishing an image
- 7.4 Docker Hub
- 7.5 Run an image on another machine
- 7.6 Exercise - Publish an image and run a container on another machine
- 7.7 Exercise solution
- 7.8 Private registries
- 7.9 Size matters
8. Forget SDK installs
- 8.1 One tool to rule them all
- 8.2 Building rationally: easy CI
- 8.3 Multi-stage dockerfiles
9. Docker with common development profiles
- 9.1 .NET Core
- 9.2 Java
- 9.3 Node.JS
- 9.4 PHP
- 9.5 Python
10. Kubernetes cluster
- 10.1 Parts of a Kubernetes cluster
- 10.2 Creating a cluster
- 10.3 Exercise - Set up your development cluster
- 10.4 Exercise solution
- 10.5 Connecting to a cluster
- 11.1 Kubernetes Dashboard
- 11.2 Visual Studio Code
- 11.3 Helm
12. Running pods
- 12.1 Deployments and ReplicaSets
- 12.2 Imperative commands
- 12.3 Exercise - Use imperative commands
- 12.4 Exercise solution
- 12.5 Exercise - Observe Kubernetes handle a failing pod
- 12.6 Exercise solution
- 12.7 Declarative commands
- 12.8 Exercise - Create resources using declarative commands
- 12.9 Exercise solution
- 12.10 Exercise - Update a Pod created declaratively
- 12.11 Exercise solution
- 12.12 Debugging
- 12.13 Exercise - Debugging failing Pods
- 12.14 Exercise solution
- 12.15 Exercise - Delete created objects
- 12.16 Exercise solution
- 12.17 Resources management
13. Exposing services
- 13.1 The need for services
- 13.2 Services
- 13.3 Exercise - Expose a web application to the internet
- 13.4 Exercise solution
- 13.5 Exercise - Expose an API inside the cluster
- 13.6 Exercise solution
- 13.7 Ingress
- 14.1 The need for volumes
- 14.2 Short-lived storage with Volumes
- 14.3 Exercise - Create and use a Volume
- 14.4 Exercise solution
- 14.5 Persistent storage with PersistentVolumeClaims
- 14.6 Exercise - Create and use a PersistentVolume
- 14.7 Exercise solution
- 15.1 Similar but different
- 15.2 ConfigMap
- 15.3 Exercise - Create and use a ConfigMap
- 15.4 Exercise solution
- 15.5 Secret
- 15.6 Exercise - Create and use a Secret
- 15.7 Exercise solution
16. Updating and scaling
- 16.1 Horizontal scaling
- 16.2 Automatic horizontal scaling
- 16.3 Update strategies
17. Sharing a cluster
- 17.1 Namespaces
- 17.2 RBAC
- 18.1 Using Helm
- 18.2 Creating Helm packages (charts)
- A word from the author
- Image attributions
- The Learn collection
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