Mastering Docker: Enhance your containerization and DevOps skills to deliver production-ready applications

Cover
Copyright
About PACKT
Contributors
Table of Contents
Preface
Section 1 – Getting Up and Running with Docker
Chapter 1: Docker Overview
	Technical requirements
	Understanding Docker
		Developers
		Operators
		Enterprise
	Docker installation
		Installing Docker on Linux
		Installing Docker on macOS
		Installing Docker on Windows 10 Professional
		Older operating systems
	Using Docker commands
	Docker and the container ecosystem
		Open source projects
		Docker, Inc.
		Docker CE and Docker EE
	Summary
	Questions
	Further reading
Chapter 2: Building Container Images
	Technical requirements
	Introducing Dockerfiles
		Reviewing Dockerfiles in depth
		FROM
		LABEL
		RUN
		COPY and ADD
		Other Dockerfile instructions
		Dockerfiles – best practices
	Building Docker images
		Using a Dockerfile
		Using an existing container
		Using ENVs
		Using multi-stage builds
	Summary
	Questions
	Further reading
Chapter 3: Storing and Distributing Images
	Technical requirements
	Understanding Docker Hub
		The Docker Hub Dashboard
		Creating an automated build
		Setting up your code
		Setting up Docker Hub
		Pushing your own image
		Docker Certified Images and Verified Publishers
	Deploying your own Docker Registry
		An overview of Docker Registry
		Deploying your own registry
		Docker Trusted Registry
	Reviewing third-party registries
		GitHub Packages and Actions
		Azure Container Registry
	Summary
	Questions
	Further reading
Chapter 4: Managing Containers
	Technical requirements
	Understanding Docker container commands
		The basics
		Interacting with your containers
		logs
		top
		stats
		Resource limits
		Container states and miscellaneous commands
	Docker networking and volumes
		Docker volumes
	Docker Desktop Dashboard
	Summary
	Questions
	Further reading
Chapter 5: Docker Compose
	Technical requirements
	Exploring the basics of Docker Compose
		Orchard Laboratories
	Making our first Docker Compose application
		Docker Compose YAML file
		The Moby counter application
		Example voting application
	Exploring Docker Compose commands
		config
		pull, build, and create
		start, stop, restart, pause, and unpause
		scale
	Using Docker App
		Defining the application
		Validating and inspecting the application
		Launching the app
		Pushing to Docker Hub
		Installing from Docker Hub
	Questions
	Further reading
Chapter 6: Docker Machine, Vagrant, and Multipass
	Technical requirements
	An introduction to Docker Machine
		Installing Docker Machine using Docker Toolbox
		Installing Docker Machine using the command line
	Deploying local Docker hosts with Docker Machine
	Launching Docker hosts in the cloud using Docker Machine
		Docker Machine summary
		Introducing and using Vagrant
	Introducing and using Multipass
	Summary
	Questions
	Further reading
Section 2 – Clusters and Clouds
Chapter 7: Moving from Linux to Windows Containers
	Technical requirements
	An introduction to Windows containers
		So, what are Windows containers?
	Setting up your Docker host for Windows containers
		Enabling Windows Container Support on Windows 10 Professional
		Up and running on MacOS and Linux
	Running Windows containers
	A Windows container Dockerfile
	Windows containers and Docker Compose
	Summary
	Questions
	Further reading
Chapter 8: Clustering with Docker Swarm
	Technical requirements
	Introducing Docker Swarm
		Roles within a Docker Swarm cluster
	Creating and managing a Swarm
		Creating the cluster hosts
		Adding a Swarm manager to the cluster
		Joining Swarm workers to the cluster
		Listing nodes
	Managing a cluster
		Finding information on the cluster
		Promoting a worker node
		Demoting a manager node
		Draining a node
	Docker Swarm services and stacks
		Services
		Stacks
		Deleting a Swarm cluster
	Load balancing, overlays, and scheduling
		Ingress load balancing
		Network overlays
		Scheduling
	Summary
	Questions
	Further reading
Chapter 9: Portainer – A GUI
for Docker
	Technical requirements
	The road to Portainer
	Getting Portainer up and running
	Using Portainer
		The dashboard
		Application templates
		Containers
	Portainer and Docker Swarm
		Creating the Swarm
		The Portainer service
		Swarm differences
	Summary
	Questions
	Further reading
Chapter 10: Running Docker in Public Clouds
	Technical requirements
	Amazon Web Services
		Amazon ECS – EC2-backed
		Amazon ECS – AWS Fargate backed
		Summing up AWS
	Microsoft Azure
		Azure web app for containers
		Azure container instances
		Summing up Microsoft Azure
	Google Cloud
		Google Cloud Run
		Summing up Google Cloud
	Summary
	Questions
	Further reading
Chapter 11: Docker and Kubernetes
	Technical requirements
	An introduction to Kubernetes
		A brief history of containers at Google
		An overview of Kubernetes
		How does Docker fit in with Kubernetes?
	Using Kubernetes and Docker Desktop
	Kubernetes and other Docker tools
	Summary
	Questions
	Further reading
Chapter 12: Discovering other Kubernetes options
	Technical requirements
	Deploying Kubernetes using Minikube
		Installing Minikube
		Interacting with your Kubernetes cluster node
		Managing Minikube
		Minikube summary
	Deploying Kubernetes using kind
		Installing Kind
		Launching a Kind cluster
		Interacting with your Kubernetes cluster node
		Kind summary
	Deploying Kubernetes using MicroK8s
		Installing MicroK8s
		Interacting with your Kubernetes cluster node
		MicroK8s summary
	Deploying Kubernetes using K3s
		Installing K3s
		Interacting with your Kubernetes cluster nodes
		One more thing – K3d
		K3s summary
	Summary
	Questions
	Further reading
Chapter 13: Running Kubernetes in Public Clouds
	Technical requirements
	Microsoft Azure Kubernetes Service (AKS)
		Launching a cluster using the web portal
		Launching a cluster using the command-line tools
		Launching an application
		Cluster information
		Microsoft Azure Kubernetes Service summary
	Google Kubernetes Engine (GKE)
		Launching a cluster using the web portal
		Launching a cluster using the command-line tools
		Launching an application
		Cluster information
		Google Kubernetes Engine summary
	Amazon Elastic Kubernetes Service (EKS)
		Launching a cluster using the command-line tools
		Launching an application
		Cluster information
		Amazon Elastic Kubernetes Service summary
	DigitalOcean Kubernetes
	Summary
	Questions
	Further reading
Section 3 – Best Practices
Chapter 14: Docker Security
	Technical requirements
	Container considerations
		The advantages
		Your Docker hosts
		Image trust
	Docker commands
		The Docker Run command
		The docker diff command
	Best practices
		Docker best practices
		The Center for Internet Security benchmark
	The Docker Bench Security application
	Third-party security services
		Quay
		Clair
		Anchore
	Summary
	Questions
	Further reading
Chapter 15: Docker Workflows
	Technical requirements
	Docker for development
		Docker and Azure DevOps
	Monitoring Docker and Kubernetes
	What does production look like?
		Your Docker hosts
		Clustering
		Image registries
	Summary
	Questions
	Further reading
Chapter 16: Next Steps with Docker
	The Moby Project
	Contributing to Docker
		Contributing to the code
		Offering Docker support
		Other contributions
	The Cloud Native Computing Foundation
		Graduated projects
		Incubating projects
		The CNCF landscape
	Summary
Assessments
	Chapter 1, Docker Overview
	Chapter 2, Building Container Images
	Chapter 3, Storing and Distributing Images
	Chapter 4, Managing Containers
	Chapter 5, Docker Compose
	Chapter 6, Docker Machine, Vagrant, and Multipass
	Chapter 7, Moving from Linux to Windows Containers
	Chapter 8, Clustering with Docker Swarm
	Chapter 9, Portainer – a GUI for Docker
	Chapter 10, Running Docker in Public Clouds
	Chapter 11, Docker and Kubernetes
	Chapter 12, Discovering other Kubernetes options
	Chapter 13, Running Kubernetes in Public Clouds
	Chapter 14, Docker Security
	Chapter 15, Docker Workflows
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