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Go --- automatic recompilation of air

2022-07-27 20:53:00 【Fallacious】

Catalog

0、Air Introduce

Monitor the code file of the project in real time , Automatically recompile and execute after code changes . In the use of Go Linguistic gin When the framework is developed and debugged locally , It is often necessary to press... Frequently after changing the code Ctrl+C Stop the program and recompile and execute , This is not very convenient .

github Address ：https://github.com/cosmtrek/air
Reference link ：https://www.liwenzhou.com/posts/Go/live_reload_with_air/

1、 install

go install github.com/cosmtrek/[email protected]

2、 initialization

air init

Default generation configuration file .air.toml, The contents are as follows ：

root = "."
testdata_dir = "testdata"
#  Log storage location 
tmp_dir = "tmp"

[build]
  args_bin = []
  #  Start command 
  bin = "./tmp/main"
  #  compile 
  cmd = "go build -o ./tmp/main ."
  delay = 1000
  exclude_dir = ["assets", "tmp", "vendor", "testdata"]
  exclude_file = []
  exclude_regex = ["_test.go"]
  exclude_unchanged = false
  follow_symlink = false
  full_bin = ""
  include_dir = []
  include_ext = ["go", "tpl", "tmpl", "html"]
  kill_delay = "0s"
  log = "build-errors.log"
  send_interrupt = false
  stop_on_error = true

[color]
  app = ""
  build = "yellow"
  main = "magenta"
  runner = "green"
  watcher = "cyan"

[log]
  time = false

[misc]
  clean_on_exit = false

[screen]
  clear_on_rebuild = false

Modify logs as needed 、 Compile file location 、 Execute the command after compilation

3、 Ready to serve

A simple demo

package main

import (
	"github.com/gin-gonic/gin"
	"net/http"
)

func main() {
    
	r := gin.Default()
	r.GET("/hello", func(c *gin.Context) {
    
		c.String(http.StatusOK, "mio")
	})
	_ = r.Run(":9090")
}