What is not covered

As you may appreciate, by covering all these tools in a single book, it's impossible to examine any of them in great detail. Thus, we've selected the most fundamental concepts to cover, leaving the finer details to more advanced books.

There were also topics that we wanted to include but simply did not have the page count to do so. Notably, these important concepts are not covered:

• Static type checking with TypeScript or Flow
• Configuration management with Puppet/Ansible
• Monitoring and visualizing metrics using Prometheus and Grafana
• Distributed logging using Logstash/Kafka
• Tracing using Zipkin
• Stress/load testing using Artillery
• Backups and disaster recovery