Building Gin environment

overview #

To use Gin, you need to install Go, so please install that.

To install, select the installation method that suits your environment from the official website. https://go.dev/doc/install

create gin environment #

1. Create go.mod for module management. Create a working directory and run go mod init

mkdir gin
cd gin
go mod init hello

2. To use Gin, install Gin using GoCLI.

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

3. Let’s actually write the code

vi main.go

main.go

package main

import "github.com/gin-gonic/gin"

func main() {
  r := gin.Default()
  r.GET("/hello", func(c *gin.Context) {
    c.JSON(200, gin.H{ "message": "hello" })
  })
r.Run() // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
}

The final file structure is as follows.

execution #

After creating the environment, run the following command to check if it can be started.

go run main.go

If the command succeeds, Please access http://localhost:8080/hello.

You should see the following.

summary #

I think it was very easy. Next time, we will use this environment to create routing.

Also, if you create an environment with Docker, the following article will be helpful. [Create a Go (Gin) environment with Docker]