StatusApp/config.go

package main

import (
	"encoding/json"
	"io/ioutil"
)

type Config struct {
	Targets []checkTarget
	Port    int
}

func ReadConfig(file string) (Config, error) {
	bytes, err := ioutil.ReadFile(file)
	if err != nil {
		return Config{}, err
	}
	var result Config
	err = json.Unmarshal(bytes, &result)
	return result, err
}