Integration tests focus on testing the API calls between dependent services. In our cloud-native systems, these are concentrated on intra-service interactions with fully-managed cloud services. They ensure that the interactions are properly coded to send and receive proper payloads. These calls require the network, but networks are notoriously unreliable. This is the major cause of flaky tests that randomly and haphazardly fail. Flaky tests, in turn, are a major cause of poor team morale. This recipe demonstrates how to use a VCR library to create test doubles that allow integration testing to be executed in isolation without a dependency on the network or the deployment of external services.
JavaScript Cloud Native Development Cookbook
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JavaScript Cloud Native Development Cookbook
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Overview of this book
Cloud-native development is a modern approach to building and running applications that leverages the merits of the cloud computing model. With cloud-native development, teams can deliver faster and in a more lean and agile manner as compared to traditional approaches. This recipe-based guide provides quick solutions for your cloud-native applications.
Beginning with a brief introduction, JavaScript Cloud-Native Development Cookbook guides you in building and deploying serverless, event-driven, cloud-native microservices on AWS with Node.js. You'll then move on to the fundamental patterns of developing autonomous cloud-native services and understand the tools and techniques involved in creating globally scalable, highly available, and resilient cloud-native applications. The book also covers multi-regional deployments and leveraging the edge of the cloud to maximize responsiveness, resilience, and elasticity.
In the latter chapters you'll explore techniques for building fully automated, continuous deployment pipelines and gain insights into polyglot cloud-native development on popular cloud platforms such as Azure and Google Cloud Platform (GCP). By the end of the book, you'll be able to apply these skills to build powerful cloud-native solutions.
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Current Title:
JavaScript Cloud Native Development Cookbook
Table of Contents (13 chapters)
Preface
Free Chapter
Getting Started with Cloud-Native
Applying the Event Sourcing and CQRS Patterns
Implementing Autonomous Services
Leveraging the Edge of the Cloud
Securing Cloud-Native Systems
Building a Continuous Deployment Pipeline
Optimizing Observability
Designing for Failure
Optimizing Performance
Deploying to Multiple Regions
Welcoming Polycloud
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