Use log instead of fmt for errors

cmd/gateway/main.go

@@ -24,7 +24,7 @@ func main() {
 	// Create the connection to the server.
 	conn, err := grpc.Dial(fmt.Sprintf("%s:%d", *serverAddr, *serverPort))
 	if err != nil {
-		fmt.Printf("Failed to connect: %v", err)
+		log.Fatal(err)
 	}
 
 	// Defer closing the connection.
@@ -41,8 +41,8 @@ func main() {
 	http.HandleFunc("/change_password", gateway.ChangePassword(client))
 
 	// Listen for requests.
-	fmt.Printf("Forwarding from :%d to %s:%d", *port, *serverAddr, *serverPort)
+	log.Printf("Forwarding from :%d to %s:%d", *port, *serverAddr, *serverPort)
 	if err := http.ListenAndServe(fmt.Sprintf(":%d", *port), nil); err != nil {
-		fmt.Printf("Failed to listen: %v", err)
+		log.Fatal(err)
 	}
 }

cmd/server/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	"log"
 	"net"
 
 	"git.chrishayward.xyz/x/users/proto"
@@ -33,7 +34,7 @@ func main() {
 
 	// If the secret has not been set print it to the console.
 	if *secret == secretDefault {
-		fmt.Printf("SECRET=%s\n", secretDefault)
+		log.Printf("SECRET=%s\n", secretDefault)
 	}
 
 	// Initialize the database.
@@ -52,12 +53,12 @@ func main() {
 	// Create the network listener.
 	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
 	if err != nil {
-		fmt.Printf("Failed to listen: %v", err)
+		log.Fatal(err)
 	}
 
 	// Start listening for requests.
 	srv := grpc.NewServer()
 	proto.RegisterUsersServer(srv, server.NewUsersServer(secret, db))
-	fmt.Printf("Listening on :%d", *port)
+	log.Printf("Listening on :%d", *port)
 	srv.Serve(lis)
 }