book

Docker Deep Dive - Second Edition

by Nigel Poulton

July 2023

Beginner

266 pages

5h 36m

English

Packt Publishing

Read now

Unlock full access

The bad old daysHello VMware!VMwartsHello Containers!Linux containersHello Docker!Docker and WindowsWindows containers vs Linux containersWhat about Mac containers?What about KubernetesChapter Summary
Docker - The TLDRDocker, Inc.The Docker technologyThe Open Container Initiative (OCI)Chapter summary
Docker DesktopInstalling Docker with MultipassInstalling Docker on LinuxPlay with DockerChapter Summary
The Ops PerspectiveThe Dev PerspectiveChapter Summary
Docker Engine - The TLDRDocker Engine - The Deep DiveChapter summary
Docker images - The TLDRDocker images - The deep diveImages - The commandsChapter summary
Docker containers - The TLDRDocker containers - The deep diveContainers - The commandsChapter summary
Containerizing an app - The TLDRContainerizing an app - The deep diveContainerizing an app - The commandsChapter summary

Deploying apps with Compose - The TLDRDeploying apps with Compose - The Deep DiveDeploying apps with Compose - The commandsChapter Summary
Docker Swarm - The TLDRDocker Swarm - The Deep DiveDocker Swarm - The CommandsChapter summary
Docker Networking - The TLDRDocker Networking - The Deep DiveDocker Networking - The CommandsChapter Summary
Docker overlay networking - The TLDRDocker overlay networking - The deep diveDocker overlay networking - The commandsChapter Summary
Volumes and persistent data - The TLDRVolumes and persistent data - The Deep DiveVolumes and persistent data - The CommandsChapter Summary
Deploying apps with Docker Stacks - The TLDRDeploying apps with Docker Stacks - The Deep DiveDeploying apps with Docker Stacks - The CommandsChapter Summary
Security in Docker - The TLDRSecurity in Docker - The deep diveChapter Summary
Feedback and reviews

Content preview from Docker Deep Dive - Second Edition

10: Docker Swarm

Now that we know how to install Docker, pull images, and work with containers, the next thing we need is a way to do it all at scale. That’s where Docker Swarm comes into play.

As usual, we’ll split this chapter into three parts:

The TLDR
The deep dive
The commands

Docker Swarm - The TLDR

Docker Swarm is two things:

An enterprise-grade secure cluster of Docker hosts
An orchestrator of microservices apps

On the clustering front, Swarm groups one or more Docker nodes and lets you manage them as a cluster. Out-of-the-box, you get an encrypted distributed cluster store, encrypted networks, mutual TLS, secure cluster join tokens, and a PKI that makes managing and rotating certificates a breeze. You can even non-disruptively ...