Docker High Performance - Second Edition

Table of contents

1. Title Page
2. Copyright and Credits
   1. Docker High Performance Second Edition
3. About Packt
   1. Why subscribe?
   2. Packt.com
4. Contributors
   1. About the authors
   2. About the reviewer
   3. Packt is searching for authors like you
5. Preface
   1. Who this book is for
   2. What this book covers
   3. To get the most out of this book
      1. Download the example code files
      2. Download the color images
      3. Conventions used
   4. Get in touch
      1. Reviews
6. Preparing Docker Hosts
   1. Preparing a Docker host
   2. Enabling remote access
      1. Setting up a certificate authority
      2. Enabling remote access in Docker Engine
      3. Connecting remotely from the Docker client
   3. Building a Docker Swarm cluster
   4. Summary
7. Configuring Docker with Chef
   1. Importance of configuration management
   2. Using Chef
      1. Signing up for a Chef server
      2. Setting up our workstation
      3. Bootstrap nodes
   3. Configuring the Docker host
      1. Writing Chef recipes
      2. Push Chef policies
   4. Initializing Docker Swarm
   5. Alternative methods
   6. Summary
8. Monitoring Docker
   1. The importance of monitoring
   2. Collecting metrics with Prometheus
      1. Exposing Prometheus's metrics
      2. Scraping and visualizing metrics
   3. Consolidating logs in an ELK stack
      1. Deploying Elasticsearch, Logstash, and Kibana
      2. Forwarding Docker container logs
   4. Other monitoring and logging solutions
   5. Summary
9. Optimizing Docker Images
   1. Reducing deployment time
   2. Improving image build time
      1. Using registry mirrors
      2. Reusing image layers
      3. Reducing the build context size
      4. Using caching proxies
   3. Reducing Docker image size
      1. Chaining commands
      2. Separating build and deployment images
   4. Guide to Optimization
   5. Summary
10. Deploying Containers
    1. Deploying and configuring Jenkins
       1. Deploying the Jenkins container
       2. Finishing the Jenkins Configuration
       3. Setting up our Docker credentials within Jenkins
    2. Building and deploying a container
       1. Preparing our application
       2. Creating a Jenkins job
       3. Running the Pipeline
    3. Summary
11. Benchmarking
    1. Setting up Apache JMeter
       1. Deploying a sample application
       2. Installing JMeter
    2. Building a benchmark workload
       1. Creating a test plan in JMeter
    3. Analyzing benchmark results
       1. Viewing the results of JMeter runs
          1. Calculating throughput
          2. Plotting response time
       2. Observing performance in Grafana and Kibana
    4. Tuning the benchmark
       1. Increasing concurrency
       2. Running distributed tests
    5. Other benchmarking tools
    6. Summary
12. Load Balancing
    1. Preparing application backends
    2. Balancing load with NGINX
    3. Scaling out our Docker applications
       1. Deploying with zero downtime
    4. Other load balancers
    5. Summary
13. Troubleshooting Containers
    1. Inspecting containers with the docker exec command
    2. Debugging from outside Docker
       1. Tracing system calls
       2. Analyzing network packets
       3. Observing block devices
    3. Other container debugging tools
    4. Summary
14. Onto Production
    1. Performing web operations
    2. Supporting web applications with Docker
    3. Deploying applications
    4. Scaling applications
    5. Further reading
    6. Summary
15. Other Books You May Enjoy
    1. Leave a review - let other readers know what you think