package main import ( // Standard "encoding/json" "os" ) type Config struct { Network struct { Address string Port int } Logging struct { URL string System string Instance string LogDir string } Device struct { Address string Port int Username string Password string Timeout int } } func readConfig() (config Config, err error) { var configData []byte configData, err = os.ReadFile(flagConfig) if err != nil { return } err = json.Unmarshal(configData, &config) return }