Software Development with Go: Cloud-Native Programming using Golang with Linux and Docker

Length: 407 pages
Edition: 1
Language: English
Publisher: Apress
Publication Date: 2022-12-29
ISBN-10: 1484287304
ISBN-13: 9781484287309
Sales Rank: #1058245 (See Top 100 Books)

Gain insights into the different challenges that can be solved using Go, with a focus on containers, Linux, security, networking, user interfaces and other relevant cloud based topics. This book reviews the necessary tools to create container-based cloud solutions with Go, a programming language that was born out of the need to address scalable, high availability cloud computing architecture needs inside Google.

Go, also known as Golang, has been adopted across different industries and products with many popular Open Source projects that power cloud computing technologies such as Docker and Kubernetes being written with Go. As the complexity of cloud technology increases, so does the need for people to understand how things work under-the-hood and to fix them when they’re broken.

What You Will Learn

Understand how the various components of a container-based system works
Tackle complex technical issues using Go
Integrate tools that can be used as part of your daily operational needs
Build system-based products

Who This Book Is For

Developers and Engineers familiar with Go who want to know how different parts of the system work and who want to write command line tools. It will also be beneficial to programmers who already have a system-level understanding and want to use Go to build tools for existing projects and applications.

Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Part I: System Programming
	Chapter 1: System Calls
		Source Code
		What Is a System Call?
		C System Call
		sys/unix Package
			System Call in Go
		Summary
	Chapter 2: System Calls Using Go
		Source Code
		Syscall Package
			syscall Application
			Checking Disk Space
			Webserver with syscall
		ELF Package
			High-Level ELF Format
			Dump Example
		/sys Filesystem
			Reading AppArmor
		Summary
	Chapter 3: Accessing proc File System
		Source Code
		Peeking Inside procfs
		Reading Memory Information
			Peeking Network Information
		Using the procfs Library
			Code Sample
			Inside the procfs Library
		Summary
Part II: Containers
	Chapter 4: Simple Containers
		Linux Namespace
		cgroups
		rootfs
		Gontainer Project
		Summary
	Chapter 5: Containers with Networking
		Source Code
			Network Namespace
			Setting Up with the ip Tool
			Containers with Networks
			Summary
	Chapter 6: Docker Security
		Source Code
		seccomp Profiles
			libseccomp
			Docker seccomp
		Docker Proxy
		Container Attack Surface
		Summary
Part III: Application Security
	Chapter 7: Gosec and AST
		Source Code
		Abstract Syntax Tree
			Modules
			Sample Code
				Inspecting
				Parsing a File
		gosec
			Inside gosec
			Rules
		Summary
	Chapter 8: Scorecard
		Source Code
		What Is Scorecard?
			Setting Up Scorecard
			Running Scorecard
			High-Level Flow
		GitHub
			GitHub API
			GitHub Explorer
		Summary
Part IV: Networking
	Chapter 9: Simple Networking
		Source Code
		TCP Networking
			TCP Client
			TCP Server
		UDP Networking
			UDP Client
			UDP Server
			Concurrent Servers
		Load Testing
		Summary
	Chapter 10: System Networking
		Source Code
		Ping Utility
			Code Walkthrough
		DNS Server
			Running a DNS Server
			DNS Forwarder
			Pack and Unpack
		Summary
	Chapter 11: Google gopacket
		Source Code
		gopacket
			Layer
				TCP Layer
			Packet
		Using gopacket
			pcap
				Installing libpcap
			Networking Sniffer
				Code Walkthrough
				Analyzing pcap Manually
				Analyzing pcap Using WireShark
			Capturing With BPF
		Summary
	Chapter 12: Epoll Library
		Source Code
		Understanding epoll
		epoll in Golang
			Epoll Registration
			Epoll Wait
		Epoll Library
		Summary
Part V: Securing Linux
	Chapter 13: Vulnerability Scanner
		Source Code
		Vulnerability Scanners
		Using Vuls
			Checking Out the Code
			Running Scan
		Learning From Vuls
			Port Scan
			Exec
			SQLite
		Summary
	Chapter 14: CrowdSec
		Source Code
		CrowdSec Project
			Using CrowdSec
			crowdsec.db
		Learning From CrowdSec
			System Signal Handling
			Handling Service Dependencies
			GeoIP Database
		Summary
Part VI: Terminal User Interface
	Chapter 15: ANSI and UI
		Source Code
		ANSI Escape Code
		ANSI-Based UI
			Color Table
			Styling Text
		Open Source Library
			Gookit
			Spinner
		Summary
	Chapter 16: TUI Framework
		uiprogress
			Code Flow
			Updating Progress
		Bubbletea
			Init
			Update
			View
		Summary
Part VII: Linux System
	Chapter 17: systemd
		Source Code
			systemd
				systemd Units
			systemctl
			Hello Server systemd
			go-systemd Library
				Querying Services
				Journal
				Machines
			Summary
	Chapter 18: cadvisor
		Source Code
		Running cAdvisor
		Web User Interface
		Architecture
		Initialization
		Manager
		Monitoring Filesystem
		Information from /sys and /proc
		Client Library
		Summary
Index

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