feat: k8s resource scanning (#2118)

pkg/commands/app.go

@@ -219,7 +219,7 @@ var (
 
 	reportFlag = cli.StringFlag{
 		Name:  "report",
-		Value: "summary",
+		Value: "all",
 		Usage: "specify a report format for the output. (all,summary default: all)",
 	}
 
@@ -804,10 +804,21 @@ func NewK8sCommand() *cli.Command {
 		Name:    "kubernetes",
 		Aliases: []string{"k8s"},
 		Usage:   "scan kubernetes vulnerabilities and misconfigurations",
-		Action:  k8s.Run,
+		CustomHelpTemplate: cli.CommandHelpTemplate + `EXAMPLES:
+  - cluster scanning:
+      $ trivy k8s --report summary
+
+  - namespace scanning:
+      $ trivy k8s -n kube-system --report summary
+
+  - resource scanning:
+      $ trivy k8s deployment/orion
+`,
+		Action: k8s.Run,
 		Flags: []cli.Flag{
 			&namespaceFlag,
 			&reportFlag,
+			&formatFlag,
 			&outputFlag,
 			&severityFlag,
 			&exitCodeFlag,