package cfg import ( "log" "github.com/joho/godotenv" "github.com/kelseyhightower/envconfig" ) type Config struct { Page string `required:"true" split_words:"true"` AdminUser string `required:"true" split_words:"true"` Password string `required:"true" split_words:"true"` LogFile bool `required:"true" split_words:"true"` Bin string `required:"true" split_words:"true"` } func NewConfig(envFilePath string) *Config { if envFilePath != "" { err := godotenv.Load(envFilePath) if err != nil { log.Fatalf("environment variable ENV is empty and an error occurred while loading the .env file\n") } } cfg := &Config{} err := envconfig.Process("", cfg) if err != nil { log.Fatalf("envconfig.Process: %s\n", err) } return cfg }