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main.go
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main.go
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package main
import (
"context"
"encoding/json"
"flag"
"os"
"os/signal"
"syscall"
"github.com/m0t0k1ch1/metamask-login-sample/interfaces"
"github.com/m0t0k1ch1/metamask-login-sample/interfaces/server"
)
const (
DefaultConfigPath = "config.json"
)
func loadConfig(path string) (*server.Config, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
var conf server.Config
if err := json.NewDecoder(file).Decode(&conf); err != nil {
return nil, err
}
if err := conf.Validate(); err != nil {
return nil, err
}
return &conf, nil
}
func main() {
var confPath = flag.String("conf", DefaultConfigPath, "path to your config.json")
flag.Parse()
conf, err := loadConfig(*confPath)
if err != nil {
panic(err)
}
srv := interfaces.NewServer(conf)
done := make(chan bool, 1)
go func() {
sigterm := make(chan os.Signal, 1)
signal.Notify(sigterm, syscall.SIGTERM)
<-sigterm
if err := srv.Shutdown(context.Background()); err != nil {
srv.Logger.Fatal(err)
}
close(done)
}()
if err := srv.Start(); err != nil {
srv.Logger.Info(err)
}
<-done
}