btc-pay-checker/kit/cfg/config.go

package cfg

import (
	"log"

	"github.com/joho/godotenv"
	"github.com/kelseyhightower/envconfig"
)

type Config struct {
	LogFile          bool   `required:"false" split_words:"true"`
	Host             string `required:"true" split_words:"true"`
	DbAddress        string `required:"true" split_words:"true"`
	DbName           string `required:"true" split_words:"true"`
	OrdersCollection string `required:"true" split_words:"true"`
	RpcZmq           string `required:"true" split_words:"true"`
	RpcAuth          string `required:"true" split_words:"true"`
	RpcHost          string `required:"true" split_words:"true"`
	WalletAddress    string `required:"true" split_words:"true"`
	WebhookUrl       string `required:"false" split_words:"true"`
	ApiPort          string `required:"true" split_words:"true"`
	Views            string `required:"true" split_words:"true"`
	ConversorApi     string `required:"true" split_words:"true"`
	DollarRateApi    string `required:"true" split_words:"true"`
	MailHost         string `required:"true" split_words:"true"`
	MailPort         string `required:"true" split_words:"true"`
	MailUser         string `required:"true" split_words:"true"`
	MailPassword     string `required:"true" split_words:"true"`
	MailFrom         string `required:"true" split_words:"true"`
	MailTemplatesDir string `required:"true" split_words:"true"`
	MailTo           string `required:"false" split_words:"true"`
}

func NewConfig(envFile string) *Config {
	if envFile != "" {
		err := godotenv.Load(envFile)
		if err != nil {
			log.Fatalln("godotenv.Load:", err)
		}
	}

	cfg := &Config{}
	err := envconfig.Process("", cfg)
	if err != nil {
		log.Fatalf("envconfig.Process: %s\n", err)
	}

	return cfg
}