presmihaylov

package loggerfx

// imports

// ProvideLogger to fx
func ProvideLogger() *zap.SugaredLogger {
  logger, _ := zap.NewProduction()
  slogger := logger.Sugar()

  return slogger

presmihaylov

...
// ProvideLogger to fx
func ProvideLogger() *zap.SugaredLogger {
  logger, _ := zap.NewProduction()
  slogger := logger.Sugar()

  return slogger
}

func main() {

presmihaylov

...

func main() {
  fx.New(
    configfx.Module,
    ...
  ).Run()
}

presmihaylov

// example continued

// Module provided to fx
var Module = fx.Options(
  fx.Provide(ProvideConfig),
)

presmihaylov

package configfx

// imports

// ApplicationConfig ...	
type ApplicationConfig struct {		
  Address string `yaml:"address"`	
}	

// Config ...	

presmihaylov

...
// ProvideConfig provides the standard configuration to fx
func ProvideConfig() *Config {
  conf := Config{}
  data, err := ioutil.ReadFile("config/base.yaml")
  // handle error

  err = yaml.Unmarshal([]byte(data), &conf)
  // handle error

presmihaylov

...
func main() {
	fx.New(
		...
		fx.Invoke(registerHooks),
	).Run()
}

func registerHooks(
	lifecycle fx.Lifecycle,

presmihaylov

...
// New http handler
func New(s *http.ServeMux, logger *zap.SugaredLogger) *Handler {
	h := Handler{s, logger}
	h.registerRoutes()

	return &h
}
...

presmihaylov

...
func main() {
	fx.New(
		fx.Provide(ProvideConfig),
		fx.Provide(ProvideLogger),
		fx.Provide(http.NewServeMux),
		fx.Invoke(httphandler.New),
	).Run()
}

presmihaylov

...
func main() {
	fx.New(
		fx.Provide(ProvideConfig),
		fx.Provide(ProvideLogger),
		fx.Provide(http.NewServeMux),
	).Run()
 	...
 }