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Docker: Up & Running

Shipping Reliable Containers in Production

Paperback Engels 2018
Verkooppositie 5063
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Samenvatting

Docker is rapidly changing the way organizations deploy software at scale. However, understanding how Linux containers fit into your workflow-and getting the integration details right-is not a trivial task. With the updated edition of this practical guide, you'll learn how to use Docker to package your applications with all of their dependencies and then test, ship, scale, and support your containers in production.

This edition includes significant updates to the examples and explanations that reflect the substantial changes that have occurred over the past couple of years. Sean Kane and Karl Matthias have added a complete chapter on Docker Compose, deeper coverage of Docker Swarm mode, introductions to both Kubernetes and AWS Fargate, examples on how to optimize your Docker images, and much more.

- Learn how Docker simplifies dependency management and deployment workflow for your applications
- Start working with Docker images, containers, and command line tools
- Use practical techniques to deploy and test Docker containers in production
- Debug containers by understanding their composition and internal processes
- Debug production containers at scale inside your data center or cloud environment
- Explore advanced Docker topics, including deployment tools, networking, orchestration, security, and configuration

Specificaties

ISBN13:9781492036739
Trefwoorden:software, Linux, Docker
Taal:Engels
Bindwijze:paperback
Aantal pagina's:326
Uitgever:O'Reilly
Druk:2
Verschijningsdatum:25-9-2018

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Inhoudsopgave

Foreword
Preface
Who Should Read This Book
Why Read This Book?
Navigating This Book
Conventions Used in This Book
Using Code Examples
O’Reilly Safari
How to Contact Us
Acknowledgments

1. Introduction
The Promise of Docker
Benefits of the Docker Workflow
What Docker Isn’t
Important Terminology
Wrap-Up

2. The Docker Landscape
Process Simplification
Broad Support and Adoption
Architecture
Client/Server Model
Network Ports and Unix Sockets
Robust Tooling
Docker Command-Line Tool
Docker Engine API
Container Networking
Getting the Most from Docker
Containers Are Not Virtual Machines
Limited Isolation
Containers Are Lightweight
Toward an Immutable Infrastructure
Stateless Applications
Externalizing State
The Docker Workflow
Revision Control
Building
Testing
Packaging
Deploying
The Docker Ecosystem
Wrap-Up

3. Installing Docker
Docker Client
Linux
macOS, Mac OS X
Microsoft Windows 10 Professional
Docker Server
systemd-Based Linux
Non-Linux VM-Based Server
Testing the Setup
Ubuntu
Fedora
Alpine Linux
Exploring the Docker Server
Wrap-Up

4. Working with Docker Images
Anatomy of a Dockerfile
Building an Image
Troubleshooting Broken Builds
Running Your Image
Environment Variables
Custom Base Images
Storing Images
Public Registries
Private Registries
Authenticating to a Registry
Running a Private Registry
Advanced Building Techniques
Keeping Images Small
Layers Are Additive
Optimizing for the Cache
Wrap-Up

5. Working with Docker Containers
What Are Containers?
History of Containers
Creating a Container
Basic Configuration
Storage Volumes
Resource Quotas
Starting a Container
Auto-Restarting a Container
Stopping a Container
Killing a Container
Pausing and Unpausing a Container
Cleaning Up Containers and Images
Windows Containers
Wrap-Up

6. Exploring Docker
Printing the Docker Version
Server Information
Downloading Image Updates
Inspecting a Container
Exploring the Shell
Returning a Result
Getting Inside a Running Container
docker exec
nsenter
docker volume
Logging
docker logs
More Advanced Logging
Non-Plug-In Community Options
Monitoring Docker
Container Stats
Container Health Checks
Docker Events
cAdvisor
Prometheus Monitoring
Exploration
Wrap-Up

7. Debugging Containers
Process Output
Process Inspection
Controlling Processes
Network Inspection
Image History
Inspecting a Container
Filesystem Inspection
Wrap-Up

8. Exploring Docker Compose
Configuring Docker Compose
Launching Services
Exploring RocketChat
Exercising Docker Compose
Wrap-Up

9. The Path to Production Containers
Getting to Production
Docker’s Role in Production Environments
Job Control
Resource Limits
Networking
Configuration
Packaging and Delivery
Logging
Monitoring
Scheduling
Service Discovery
Production Wrap-Up
Docker and the DevOps Pipeline
Quick Overview
Outside Dependencies
Wrap-Up

10. Docker at Scale
Centurion
Docker Swarm Mode
Amazon ECS and Fargate
Core AWS Setup
IAM Role Setup
AWS CLI Setup
Container Instances
Tasks
Testing the Task
Stopping the Task
Kubernetes
What Is Minikube?
Installing Minikube
Running Kubernetes
Kubernetes Dashboard
Kubernetes Containers and Pods
Let’s Deploy Something
Deploying a Realistic Stack
Service Definition
PersistentVolumeClaim Definition
Deployment Definition
Deploying the Application
Scaling Up
kubectl API
Wrap-Up

11. Advanced Topics
Containers in Detail
cgroups
Namespaces
Security
UID 0
Privileged Containers
Secure Computing Mode
SElinux and AppArmor
The Docker Daemon
Advanced Configuration
Networking
Storage
The Structure of Docker
Swapping Runtimes
gVisor
Wrap-Up

12. Container Platform Design
The Twelve-Factor App
Codebase
Dependencies
Config
Backing Services
Build, Release, Run
Processes
Port Binding
Concurrency
Disposability
Development/Production Parity
Logs
Admin Processes
Twelve-Factor Wrap-Up
The Reactive Manifesto
Responsive
Resilient
Elastic
Message-Driven
Wrap-Up

13. Conclusion
The Challenges Docker Addresses
The Docker Workflow
Minimizing Deployment Artifacts
Optimizing Storage and Retrieval
The Payoff
The Final Word

Index

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