gRPC: Up and Running: Building Cloud Native Applications with Go and Java for Docker and Kubernetes

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gRPC: Up and Running: Building Cloud Native Applications with Go and Java for Docker and Kubernetes

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內容描述

Get a comprehensive understanding of gRPC fundamentals through real-world examples. With this practical guide, you'll learn how this high-performance interprocess communication protocol is capable of connecting polyglot services in microservices architecture, while providing a rich framework for defining service contracts and data types.
Complete with hands-on examples written in Go, Java, Node, and Python, this book also covers the essential techniques and best practices to use gRPC in production systems. Authors Kasun Indrasiri and Danesh Kuruppu discuss the importance of gRPC in the context of microservices development.

目錄大綱

Preface
Why Did We Write This Book?
Who Is This Book For?
How This Book Is Organized
Using Code Examples
Conventions Used in This Book
O’Reilly Online Learning
How to Contact Us
Acknowledgments

1. Introduction to gRPC
   What Is gRPC?
   Service Definition
   gRPC Server
   gRPC Client
   Client–Server Message Flow
   Evolution of Inter-Process Communication
   Conventional RPC
   SOAP
   REST
   Inception of gRPC
   Why gRPC?
   gRPC Versus Other Protocols: GraphQL and Thrift
   gRPC in the Real World
   Netflix
   etcd
   Dropbox
   Summary
2. Getting Started with gRPC
   Creating the Service Definition
   Defining Messages
   Defining Services
   Implementation
   Developing a Service
   Developing a gRPC Client
   Building and Running
   Building a Go Server
   Building a Go Client
   Running a Go Server and Client
   Building a Java Server
   Building a Java Client
   Running a Java Server and Client
   Summary
3. gRPC Communication Patterns
   Simple RPC (Unary RPC)
   Server-Streaming RPC
   Client-Streaming RPC
   Bidirectional-Streaming RPC
   Using gRPC for Microservices Communication
   Summary
4. gRPC: Under the Hood
   RPC Flow
   Message Encoding Using Protocol Buffers
   Encoding Techniques
   Length-Prefixed Message Framing
   gRPC over HTTP/2
   Request Message
   Response Message
   Understanding the Message Flow in gRPC Communication Patterns
   gRPC Implementation Architecture
   Summary
5. gRPC: Beyond the Basics
   Interceptors
   Server-Side Interceptors
   Client-Side Interceptors
   Deadlines
   Cancellation
   Error Handling
   Multiplexing
   Metadata
   Creating and Retrieving Metadata
   Sending and Receiving Metadata: Client Side
   Sending and Receiving Metadata: Server Side
   Name Resolver
   Load Balancing
   Load-Balancer Proxy
   Client-Side Load Balancing
   Compression
   Summary
6. Secured gRPC
   Authenticating a gRPC Channel with TLS
   Enabling a One-Way Secured Connection
   Enabling an mTLS Secured Connection
   Authenticating gRPC Calls
   Using Basic Authentication
   Using OAuth 2.0
   Using JWT
   Using Google Token-Based Authentication
   Summary
7. Running gRPC in Production
   Testing gRPC Applications
   Testing a gRPC Server
   Testing a gRPC Client
   Load Testing
   Continuous Integration
   Deployment
   Deploying on Docker
   Deploying on Kubernetes
   Observability
   Metrics
   Logs
   Tracing
   Debugging and Troubleshooting
   Enabling Extra Logging
   Summary
8. The gRPC Ecosystem
   gRPC Gateway
   HTTP/JSON Transcoding for gRPC
   The gRPC Server Reflection Protocol
   gRPC Middleware
   Health Checking Protocol
   gRPC Health Probe
   Other Ecosystem Projects
   Summary
   Index

作者介紹

Kasun Indrasiri is an author and an evangelist of Microservices and Enterprise Integration Architecture with over ten years of experience in building distributed systems. He is the director of Integration Architecture at WSO2 and the product manager of the WSO2 Enterprise Integrator. He has authored Microservices for Enterprise (Apress, 2018) and Beginning WSO2 ESB (Apress, 2017) books and has spoken at several conferences including O'Reilly Software Architecture Conference 2019 in San Jose, GOTO Con 2019 in Chicago, and WSO2 Conferences in San Francisco, London, and Barcelona. Kasun lives in San Jose, California and has founded the "Silicon Valley Microservices, APIs and Integration" Meetup, which is one of the largest microservices meetups in the San Francisco Bay area.
Danesh Kuruppu is an Associate Technical Lead at WSO2 and with over five years of experience in Enterprise Integration and Microservices technologies. Danesh is the main designer and developer of adding gRPC support for the open source, cloud native programming language, Ballerina. He is part of the gRPC community and a key contributor to the WSO2 Microservices Framework for Java and WSO2 Governance Registry.