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The DevOps 2.1 Toolkit: Docker Swarm

You're reading from   The DevOps 2.1 Toolkit: Docker Swarm The next level of building reliable and scalable software unleashed

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781787289703
Length 436 pages
Edition 1st Edition
Tools
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Author (1):
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Viktor Farcic Viktor Farcic
Author Profile Icon Viktor Farcic
Viktor Farcic
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Table of Contents (17) Chapters Close

Preface 1. Continuous Integration with Docker Containers FREE CHAPTER 2. Setting Up and Operating a Swarm Cluster 3. Docker Swarm Networking and Reverse Proxy 4. Service Discovery inside a Swarm Cluster 5. Continuous Delivery and Deployment with Docker Containers 6. Automating Continuous Deployment Flow with Jenkins 7. Exploring Docker Remote API 8. Using Docker Stack and Compose YAML Files to Deploy Swarm Services 9. Defining Logging Strategy 10. Collecting Metrics and Monitoring the Cluster 11. Embracing Destruction: Pets versus Cattle 12. Creating and Managing a Docker Swarm Cluster in Amazon Web Services 13. Creating and Managing a Docker Swarm Cluster in DigitalOcean 14. Creating and Managing Stateful Services in a Swarm Cluster 15. Managing Secrets in Docker Swarm Clusters 16. Monitor Your GitHub Repos with Docker and Prometheus

Monitoring best practices

You might be tempted to put as much information in a dashboard as you can. There are so many metrics, so why not visualize them? Right? Wrong! Too much data makes important information hard to find. It makes us ignore what we see since too much of it is noise.

What you really need is to have a quick glance of the central dashboard and deduce in an instant whether there is anything that might require your attention. If there is something to be fixed or adjusted, you can use more specialized Grafana dashboards or ad-hoc queries in Prometheus to drill into details.

Create the central dashboard with just enough information to fit a screen and provide a good overview of the system. Further on, create additional dashboards with more details. They should be organized similar to how we organize code. There is usually a main function that is an entry point towards more specific classes. When we...

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