Book Image

Mastering Go - Second Edition

By : Mihalis Tsoukalos
Book Image

Mastering Go - Second Edition

By: Mihalis Tsoukalos

Overview of this book

Often referred to (incorrectly) as Golang, Go is the high-performance systems language of the future. Mastering Go, Second Edition helps you become a productive expert Go programmer, building and improving on the groundbreaking first edition. Mastering Go, Second Edition shows how to put Go to work on real production systems. For programmers who already know the Go language basics, this book provides examples, patterns, and clear explanations to help you deeply understand Go’s capabilities and apply them in your programming work. The book covers the nuances of Go, with in-depth guides on types and structures, packages, concurrency, network programming, compiler design, optimization, and more. Each chapter ends with exercises and resources to fully embed your new knowledge. This second edition includes a completely new chapter on machine learning in Go, guiding you from the foundation statistics techniques through simple regression and clustering to classification, neural networks, and anomaly detection. Other chapters are expanded to cover using Go with Docker and Kubernetes, Git, WebAssembly, JSON, and more. If you take the Go programming language seriously, the second edition of this book is an essential guide on expert techniques.
Table of Contents (15 chapters)

Working with HTTPS traffic

Before you create TCP/IP servers with Go, this chapter will teach you how to work with the HTTPS protocol in Go, which is the secure version of the HTTP protocol. Notice that the default TCP port for HTTPS is 443, but you can use any port number you want as long as you put it in the URL.

Creating certificates

In order to be able to follow and execute the code examples of this section, you will first need to create certificates because HTTPS requires them. On a macOS Mojave machine, you will need to execute the following commands:

$ openssl genrsa -out server.key 2048
Generating RSA private key, 2048 bit long modulus
.....................+++
.......................+++
e is 65537 (0x10001)
$ openssl...