February 2019
Intermediate to advanced
240 pages
5h 25m
English
Content preview from Docker for Rails DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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A Tale of Two Orchestrators: Swarm and Kubernetes
There are currently two competing orchestration layers that can be used with Docker: Swarm and Kubernetes. Both have many similarities but also significant differences.
Swarm (or Swarm mode)—Docker’s homegrown solution—has been built into the Docker Engine since version 1.12, so you already have it installed. Although it took some time to become production-ready, Swarm is now a mature, capable, low-ceremony orchestrator. While it’s still missing one or two desirable features (such as autoscaling), it’s a well-thought-out piece of software and puts a lot of power at your fingertips. You’ll get to experience Swarm first-hand in the upcoming chapters.
The other big player is Kubernetes, which ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.