If no argument is provided default to .

main.go

@@ -29,28 +29,28 @@ var startCmd = &cobra.Command{
 	Use:   "start",
 	Short: "Start the minecraft server",
 	Run:   server.Start,
-	Args:  cobra.ExactArgs(1),
+	Args:  cobra.MaximumNArgs(1),
 }
 
 var stopCmd = &cobra.Command{
 	Use:   "stop",
 	Short: "Stop the minecraft server",
 	Run:   server.Stop,
-	Args:  cobra.ExactArgs(1),
+	Args:  cobra.MaximumNArgs(1),
 }
 
 var restartCmd = &cobra.Command{
 	Use:   "restart",
 	Short: "Restart the minecraft server",
 	Run:   server.Restart,
-	Args:  cobra.ExactArgs(1),
+	Args:  cobra.MaximumNArgs(1),
 }
 
 var shellCmd = &cobra.Command{
 	Use:   "shell",
 	Short: "Access RCON shell",
 	Run:   server.Shell,
-	Args:  cobra.ExactArgs(1),
+	Args:  cobra.MaximumNArgs(1),
 }
 
 var sayCmd = &cobra.Command{
@@ -64,7 +64,7 @@ var statusCmd = &cobra.Command{
 	Use:   "status",
 	Short: "Get the status of the server",
 	Run:   server.Status,
-	Args:  cobra.MinimumNArgs(1),
+	Args:  cobra.MaximumNArgs(1),
 }
 
 //go:embed templates/docker-compose.yml

server/restart.go

@@ -9,7 +9,10 @@ import (
 )
 
 func Restart(cmd *cobra.Command, args []string) {
-	dir := args[0]
+	dir := "."
+	if len(args) > 0 {
+		dir = args[0]
+	}
 	if err := os.Chdir(dir); err != nil {
 		log.Fatal(err)
 	}

server/shell.go

@@ -9,7 +9,10 @@ import (
 )
 
 func Shell(cmd *cobra.Command, args []string) {
-	dir := args[0]
+	dir := "."
+	if len(args) > 0 {
+		dir = args[0]
+	}
 
 	name := getServerName(dir)
 
@@ -20,7 +23,10 @@ func Shell(cmd *cobra.Command, args []string) {
 }
 
 func Say(cmd *cobra.Command, args []string) {
-	dir := args[0]
+	dir := "."
+	if len(args) > 0 {
+		dir = args[0]
+	}
 
 	name := getServerName(dir)
 

server/start.go

@@ -9,7 +9,11 @@ import (
 )
 
 func Start(cmd *cobra.Command, args []string) {
-	dir := args[0]
+	dir := "."
+	if len(args) > 0 {
+		dir = args[0]
+	}
+
 	if err := os.Chdir(dir); err != nil {
 		log.Fatal(err)
 	}

server/status.go

@@ -9,7 +9,10 @@ import (
 )
 
 func Status(cmd *cobra.Command, args []string) {
-	dir := args[0]
+	dir := "."
+	if len(args) > 0 {
+		dir = args[0]
+	}
 
 	name := getServerName(dir)
 

server/stop.go

@@ -9,7 +9,11 @@ import (
 )
 
 func Stop(cmd *cobra.Command, args []string) {
-	dir := args[0]
+	dir := "."
+	if len(args) > 0 {
+		dir = args[0]
+	}
+
 	if err := os.Chdir(dir); err != nil {
 		log.Fatal(err)
 	}