presmihaylov

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

	return slogger
}

func main() {

presmihaylov

...

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

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().Run()
  ...
}

presmihaylov

func main() {
  conf := &Config{}
  data, err := ioutil.ReadFile("config/base.yaml")
  // handle error

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

  http.ListenAndServe(conf.ApplicationConfig.Address, mux)

presmihaylov

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

// Config ...
type Config struct {
  ApplicationConfig `yaml:"application"`
}

presmihaylov

application:
  address: :8080

presmihaylov

func main() {
  logger, _ := zap.NewProduction()
  defer logger.Sync()
  slogger := logger.Sugar()

  mux := http.NewServeMux()
  httphandler.New(mux, slogger)
  
  http.ListenAndServe(":8080", mux)
}

presmihaylov

package main

import (
	"net/http"

	"github.com/preslavmihaylov/fxappexample/httphandler"
)

func main() {
	mux := http.NewServeMux()

presmihaylov

package httphandler

import "net/http"

// Handler for http requests
type Handler struct {
	mux *http.ServeMux
}

// New http handler