Build Systems With Go: Everything a Gopher must know

**Everything a Gopher must know in a single book!!!** * More than 200 detailed examples * Concise explanations from basic to advanced levels. * Explore advanced topics: reflection, concurrency, benchmarking, profiling, etc. * Learn how developers use Go: modules, tags, CLIs, encodings, etc. * Learn how to build systems with gRPC, Kafka, Cassandra, MySQL, Cobra and more. * Part I: The GO language + First steps with Go + The basics + Arrays, slices, and maps + Structs, methods and interfaces + Reflection + Concurrency + Input/Output + Encodings + HTTP + Templates + Testing + Modules and documentation * Part II: Building systems + Protocol buffers + gRPC + Logging with Zerolog + Command line interface + Relational databases + NoSQL databases + Kafka Juan M. Tirado has been programming half of his life. He holds a Ph. D. in computer science and has been a researcher at the UC3M, INRIA, and the University of Cambridge. He is interested in how data can be leveraged to enhance large scale distributed systems. With a background between a systems architect and a data scientist, he helps companies to design and implement data-driven solutions. In his free time, he enjoys music, mountaineering, and tapas. Preface Part I: The GO language Chapter 1 First steps with Go 1.1 Save the world with Go!!! 1.2 Passing arguments to our program 1.3 Summary Chapter 2 The basics 2.1 Packages and imports 2.2 Variables, constants, and enums 2.3 Functions 2.4 Pointers 2.5 nil and zero values 2.6 Loops and branches 2.7 Errors 2.8 Defer, panic, and recover 2.9 Init functions 2.10 Summary Chapter 3 Arrays, slices, and maps 3.1 Arrays 3.2 Slices 3.3 Maps 3.4 Summary Chapter 4 Structs, methods, and interfaces 4.1 Structs 4.2 Methods 4.3 Interfaces 4.4 Summary Chapter 5 Reflection 5.1 reflect.Type 5.2 reflect.Value 5.3 Creating functions on the fly 5.4 Tags 5.5 The three laws of reflection 5.6 Summary Chapter 6 Concurrency 6.1 Goroutines 6.2 Channels 6.3 Select 6.4 WaitGroup 6.5 Timers, tickers, and timeouts 6.6 Context 6.7 Once 6.8 Mutexes 6.9 Atomics 6.10 Summary Chapter 7 Input/Output 7.1 Readers and writers 7.2 Reading and Writing files 7.3 Standard I/O 7.4 Summary Chapter 8 Encodings 8.1 CSV 8.2 JSON 8.3 XML 8.4 YAML 8.5 Tags and encoding 8.6 Summary Chapter 9 HTTP 9.1 Requests 9.2 HTTP Server 9.3 Cookies 9.4 Middleware 9.5 Summary Chapter 10 Templates 10.1 Filling templates with structs 10.2 Actions 10.3 Functions 10.4 HTML 10.5 Summary Chapter 11 Testing 11.1 Tests 11.2 Examples 11.3 Benchmarking 11.4 Coverage 11.5 Profiling 11.6 Summary Chapter 12 Modules and documentation 12.1 Modules 12.2 Documentation 12.3 Summary Part II: Building systems Chapter 13 Protocol buffers 13.1 The proto file 13.2 Complex messages 13.3 Importing other proto definitions 13.4 Nested types 13.5 Type Any 13.6 Type Oneof 13.7 Maps 13.8 JSON 13.9 Summary Chapter 14 gRPC 14.1 Definition of services 14.2 Creating a server 14.3 Creating clients 14.4 Streaming 14.5 Transcoding 14.6 Interceptors 14.7 Summary Chapter 15 Logging with Zerolog 15.1 The log package 15.2 Zerolog basics 15.3 Zerolog settings 15.4 Zerolog advanced settings 15.5 Summary Chapter 16 Command Line Interface 16.1 The basics 16.2 Arguments and Flags 16.3 Commands 16.4 Advanced features 16.5 Summary Chapter 17 Relational databases 17.1 SQL in Go 17.2 GORM 17.3 Manipulate data 17.4 Summary Chapter 18 NoSQL databases 18.1 Cassandra and GoCQL 18.2 Summary Chapter 19 Kafka 19.1 The basics 19.2 Using the Confluent client 19.3 Using the Segmentio client 19.4 Using the Kafka REST API 19.5 Summary Bibliography Notes