users/cmd/server/main.go

package main

import (
	"flag"
	"fmt"
	"net"

	"git.chrishayward.xyz/x/users/proto"
	"git.chrishayward.xyz/x/users/server"
	"github.com/google/uuid"
	"google.golang.org/grpc"
)

var (
	secretDefault = uuid.NewString()
	secret        = flag.String("secret", secretDefault, "--secret=SECRET")
	port          = flag.Uint("port", 8080, "--port=8080")
)

func main() {
	// Parse the optional flags.
	flag.Parse()

	// If the secret has not been set print it to the console.
	if *secret == secretDefault {
		fmt.Printf("SECRET=%s\n", secretDefault)
	}

	// Create the network listener.
	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
	if err != nil {
		fmt.Printf("Failed to listen: %v", err)
	}

	// Start listening for requests.
	srv := grpc.NewServer()
	proto.RegisterUsersServer(srv, server.NewUsersServer(secret))
	fmt.Printf("Listening on :%d", *port)
	srv.Serve(lis)
}