Before we start learning Go language, we need to first confirm our purpose, which is why we want to learn Go language? Isn’t it good to learn other programming languages?

What are the advantages of Go language?

1. Simplicity and readability: Go language has a concise syntax design, making the code easy to read and write. This allows developers to understand and write code more quickly. Compared to some other programming languages, the learning curve is relatively smooth.

2. Efficiency: Go language supports concurrent programming model and lightweight threads (goroutines), which allows better utilization of multi-core processors and resources, enabling efficient concurrent and parallel programming.

3. High performance: Go language’s compiler and runtime system are designed for high performance, generating efficient machine code, resulting in excellent performance of Go programs.

4. Built-in concurrency support: Go language has built-in support for concurrent programming. With goroutines and channels, developers can easily write concurrent and parallel programs, achieving efficient concurrency handling and communication.

5. Rich standard library: Go language’s standard library provides many commonly used functionalities and tools, such as networking, file operations, encryption/decryption, JSON processing, etc., allowing developers to build applications more quickly.

6. Cross-platform support: Go language’s compiler can generate executable files that can run on different operating systems, including Windows, Linux, macOS, etc.

7. Development efficiency: Go language’s toolchain and development environment are very developer-friendly, providing powerful automation tools and rich development support, which can improve development efficiency.

8. Community and ecosystem: Go language has an active developer community, providing a wealth of open-source libraries and tools that developers can share and reuse, speeding up development.

In summary, learning Go language allows developers to build reliable and high-performance applications more efficiently and quickly, while enjoying the support of the Go language ecosystem and community.

Go language has many advantages in terms of application scenarios and scope. Currently, many companies are starting to use Go language to develop various types of applications.

Here are some well-known Go language projects:

1. Docker: Docker is an open-source containerization platform developed using Go language. It helps developers package applications into lightweight and portable containers for easy deployment and management.

2. Kubernetes: Kubernetes is an open-source platform for container orchestration and management, also developed using Go language. It automates the deployment, scaling, and management of applications, providing a highly available and resilient containerized environment.

3. Etcd: Etcd is a distributed key-value store used for storing and retrieving configuration data, metadata, etc. It is one of the core components of Kubernetes and is developed using Go language.

4. go-ethereum: go-ethereum is the official Go language implementation of the Ethereum blockchain platform. It provides infrastructure and tools for building and running decentralized applications.

In addition to these projects, many penetration testing tools are also starting to be written in Go language, such as bettercap. These tools leverage Go language’s high performance and concurrency support, providing better efficiency and reliability for penetration testing.

Due to the adoption of Go language in projects like Docker and Kubernetes, Go language has become the preferred language for cloud-native programming. Its performance, concurrency, and development efficiency make it well-suited for building cloud-native applications and microservices architecture.

In summary, Go language has a wide range of applications in various fields, including containerization, cloud-native, blockchain, network programming, etc. Its simplicity, high performance, and concurrency support make it the preferred language for many companies and developers.