An article explaining in detail the construction and configuration of golang deployment environment

With the continuous development of the software development industry, more and more developers are beginning to pay attention to golang, an efficient programming language. However, if you want to use golang in actual projects, you must first set up the corresponding deployment environment. This article will introduce the construction and configuration of golang deployment environment.

1. Install golang

First, you need to download the golang installation package from the official website https://golang.google.cn/, and select the corresponding version to download according to your operating system. On the Windows platform, you can run the installation program directly after downloading, while on the Linux platform, you need to manually decompress the file and add the decompressed file directory to the system's environment variables.

2. Configure GOPATH

GOPATH is the basic directory of the golang project. All project files and dependent modules should be stored in the GOPATH directory. By default, the value of GOPATH is $HOME/go, which means the go directory is created under the Home directory. You can check the value of GOPATH through the following command:

go env GOPATH

In order to facilitate management, we can create three more directories in the GOPATH directory: src, pkg, bin for storage Source code, compiled libraries and executable files. At this time, the structure of GOPATH will be as follows:

$HOME/go
├── bin
├── pkg
└── src

三. Install dependency management tools

Golang's dependency management is very important. The most commonly used dependency management tool is go module, which can easily manage dependencies and dependent versions. In golang 1.11 and above, go module is enabled by default, so there is no need to install it separately. In versions below 1.11, you need to use the go get command to install:

go get -u github.com/golang/dep/cmd/dep

4. Install the database driver

When building a golang environment, you also need to install the corresponding database driver so that you can use golang to operate the database. Commonly used database drivers include the following:

1. MySQL driver

go get -u github.com/go-sql-driver/mysql

2. PostgreSQL driver

go get -u github.com/lib/pq

3. SQLite driver

go get -u github.com/mattn/go-sqlite3

5. Install Web framework

Most golang web development requires the use of Web frameworks to simplify development work. The following are some commonly used Web framework:

1. Gin

go get -u github.com/gin-gonic/gin

2. Beego

go get -u github.com/astaxie/beego

3. Echo

go get -u github.com/labstack/echo

6. Install Swagger

Swagger can generate API documentation for golang web applications, provides a convenient way to test the API interface, and can also be used as a debugging tool for the project. The steps to add Swagger in golang application are as follows:

1. Install swagger tool

go get -u github.com/swaggo/swag/cmd/swag

2. Initialize Swagger

Execute the following command in the project root directory:

swag init

3. Start Swagger

Enter the following command in the terminal:

swag init -g [path to main.go]

7. Other common tools

1. Editor : It is recommended to use editors such as Visual Studio Code, Sublime Text, and GoLand for golang development.
2. Testing framework: It is recommended to use testing frameworks such as GoConvey and Ginkgo for unit testing and integration testing.
3. Log framework: It is recommended to use log frameworks such as Logrus and Zap for logging.

Summary:

Building a golang development environment requires a lot of knowledge, but as long as you follow the above steps, you can quickly and successfully build an efficient, reliable and convenient golang environment. I hope this article will be helpful to you. If you encounter problems during the construction process, you can check the relevant documents or seek help from the golang development community.

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