package main

import (
	"flag"
	"fmt"
	"os"
)

const usageText = `This program runs healthcheck on the app.
Usage:
  go run cmd/health/main.go
`

func init() {
	flag.Usage = func() {
		fmt.Print(usageText)
		flag.PrintDefaults()
		os.Exit(2)
	}
	flag.Parse()
}

func main() {
	var exitCode = 1
	if isOk := healthCheck(); isOk {
		exitCode = 0
	}
	os.Exit(exitCode)
}

func healthCheck() bool {
	run, err := os.Open("/app.run")
	if err != nil {
		return false
	}
	defer run.Close()

	return true
}