Docker High Performance电子书

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Preface

Who this book is for

What this book covers

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Preparing Docker Hosts

Preparing a Docker host

Enabling remote access

Setting up a certificate authority

Enabling remote access in Docker Engine

Connecting remotely from the Docker client

Building a Docker Swarm cluster

Summary

Configuring Docker with Chef

Importance of configuration management

Using Chef

Signing up for a Chef server

Setting up our workstation

Bootstrap nodes

Configuring the Docker host

Writing Chef recipes

Push Chef policies

Initializing Docker Swarm

Alternative methods

Summary

Monitoring Docker

The importance of monitoring

Collecting metrics with Prometheus

Exposing Prometheus's metrics

Scraping and visualizing metrics

Consolidating logs in an ELK stack

Deploying Elasticsearch, Logstash, and Kibana

Forwarding Docker container logs

Other monitoring and logging solutions

Summary

Optimizing Docker Images

Reducing deployment time

Improving image build time

Using registry mirrors

Reusing image layers

Reducing the build context size

Using caching proxies

Reducing Docker image size

Chaining commands

Separating build and deployment images

Guide to Optimization

Summary

Deploying Containers

Deploying and configuring Jenkins

Deploying the Jenkins container

Finishing the Jenkins Configuration

Setting up our Docker credentials within Jenkins

Building and deploying a container

Preparing our application

Creating a Jenkins job

Running the Pipeline

Summary

Benchmarking

Setting up Apache JMeter

Deploying a sample application

Installing JMeter

Building a benchmark workload

Creating a test plan in JMeter

Analyzing benchmark results

Viewing the results of JMeter runs

Calculating throughput

Plotting response time

Observing performance in Grafana and Kibana

Tuning the benchmark

Increasing concurrency

Running distributed tests

Other benchmarking tools

Summary

Load Balancing

Preparing application backends

Balancing load with NGINX

Scaling out our Docker applications

Deploying with zero downtime

Other load balancers

Summary

Troubleshooting Containers

Inspecting containers with the docker exec command

Debugging from outside Docker

Tracing system calls

Analyzing network packets

Observing block devices

Other container debugging tools

Summary

Onto Production

Performing web operations

Supporting web applications with Docker

Deploying applications

Scaling applications

Further reading

Summary

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