error message improvement

Author: andrewnitu

cmd/lk/agent.go

@@ -541,7 +541,7 @@ func createAgent(ctx context.Context, cmd *cli.Command) error {
 
 	appLanguage, err := agentfs.DetectAppLanguage(os.DirFS(workingDir))
 	if err != nil {
-		return fmt.Errorf("unable to determine app language: %w. Make sure you are inside an app directory and are using a supported app language", err)
+		return fmt.Errorf("unable to determine app language: %w. Make sure you are inside your app's directory and are using a supported language", err)
 	}
 
 	if err := requireDockerfile(ctx, cmd, workingDir, appLanguage, settingsMap); err != nil {
@@ -716,7 +716,7 @@ func deployAgent(ctx context.Context, cmd *cli.Command) error {
 
 	appLanguage, err := agentfs.DetectAppLanguage(os.DirFS(workingDir))
 	if err != nil {
-		return fmt.Errorf("unable to determine app language: %w. Make sure you are inside an app directory and are using a supported app language", err)
+		return fmt.Errorf("unable to determine app language: %w. Make sure you are inside your app's directory and are using a supported language", err)
 	}
 
 	settingsMap, err := getClientSettings(ctx, cmd.Bool("silent"))
@@ -1321,7 +1321,7 @@ func requireSecrets(_ context.Context, cmd *cli.Command, required, lazy bool) ([
 	return secretsSlice, nil
 }
 
-func requireDockerfile(ctx context.Context, cmd *cli.Command, workingDir string, projectLanguage agentfs.ProjectLanguage, settingsMap map[string]string) error {
+func requireDockerfile(ctx context.Context, cmd *cli.Command, workingDir string, appLanguage agentfs.AppLanguage, settingsMap map[string]string) error {
 	dockerfileExists, err := agentfs.HasDockerfile(workingDir)
 	if err != nil {
 		return err
@@ -1338,15 +1338,15 @@ func requireDockerfile(ctx context.Context, cmd *cli.Command, workingDir string,
 				"Creating Dockerfile...",
 				ctx,
 				func(ctx context.Context) error {
-					return agentfs.CreateDockerfile(workingDir, projectLanguage, settingsMap)
+					return agentfs.CreateDockerfile(workingDir, appLanguage, settingsMap)
 				},
 			)
 			if err != nil {
 				return err
 			}
 			fmt.Println("Created [" + util.Accented("Dockerfile") + "]")
 		} else {
-			if err := agentfs.CreateDockerfile(workingDir, projectLanguage, settingsMap); err != nil {
+			if err := agentfs.CreateDockerfile(workingDir, appLanguage, settingsMap); err != nil {
 				return err
 			}
 		}
@@ -1360,7 +1360,7 @@ func requireDockerfile(ctx context.Context, cmd *cli.Command, workingDir string,
 		if !cmd.Bool("silent") {
 			fmt.Println("Creating .dockerignore...")
 		}
-		if err := agentfs.CreateDockerIgnoreFile(workingDir, projectLanguage); err != nil {
+		if err := agentfs.CreateDockerIgnoreFile(workingDir, appLanguage); err != nil {
 			return err
 		}
 		fmt.Println("Created [" + util.Accented(".dockerignore") + "]")
@@ -1436,7 +1436,7 @@ func generateAgentDockerfile(ctx context.Context, cmd *cli.Command) error {
 
 	appLanguage, err := agentfs.DetectAppLanguage(os.DirFS(workingDir))
 	if err != nil {
-		return fmt.Errorf("unable to determine app language: %w. Make sure you are inside an app directory and are using a supported app language", err)
+		return fmt.Errorf("unable to determine app language: %w. Make sure you are inside your app's directory and are using a supported language", err)
 	}
 
 	dockerfilePath := filepath.Join(workingDir, "Dockerfile")