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Add version info in Go projects
08 Jan, 2021 Go offers a nice way to specify version information at compile time using the
-ldflags
flag in go build command.Just declare a
-v
flag in your application using the flag
package// yourapp.go
import (
"os"
"flag"
)
var AppVersion string = "dev"
func main() {
Version := flag.Bool("v", false, "Prints Current AreYouOk Version")
if *Version {
fmt.Println(AppVersion)
os.Exit(0)
}
}
Now compile this & provide the value for
AppVersion
variable at compile timego build -ldflags="-X 'main.AppVersion=v1.0.0'"
Test if it works by running
./yourapp -v
Last modified 1yr ago