Feat: Add kubeconfig context option to debug command

- Add --context flag to debug command for kubeconfig context override
- Update K8s client to support context switching
- Fix build command in README
- Bump version to v0.1.2

Closes #2

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: barckcode

README.md

@@ -39,7 +39,7 @@ cd kubectl-ai
 # build the binary for your OS/ARCH
 GOOS=$(uname -s | tr '[:upper:]' '[:lower:]') \
 GOARCH=$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/') \
-go build -o kubectl-ai ./...
+go build
 # add it to PATH
 sudo mv kubectl-ai /usr/local/bin/
 ```

cmd/debug.go

@@ -19,6 +19,7 @@ import (
 var (
 	kubeconfig string
 	namespace  string
+    kubeContext string
 	resources  []string
 	allResources bool
 	outputFormat string
@@ -53,6 +54,7 @@ Examples:
 	}
 
 	cmd.Flags().StringVarP(&namespace, "namespace", "n", "default", "Kubernetes namespace")
+    cmd.Flags().StringVar(&kubeContext, "context", "", "Kubeconfig context (overrides current-context)")
 	cmd.Flags().StringSliceVarP(&resources, "resource", "r", []string{}, "Resources to analyze (e.g., deployment/nginx, pod/nginx-xxx)")
 	cmd.Flags().BoolVar(&allResources, "all", false, "Analyze all resources in the namespace")
 	cmd.Flags().StringVarP(&outputFormat, "output", "o", "human", "Output format (human, json, yaml)")
@@ -91,7 +93,7 @@ func runDebug(cmd *cobra.Command, args []string) error {
 	}
 
 	// Initialize K8s client
-	k8sClient, err := k8s.NewClient(kubeconfig)
+	k8sClient, err := k8s.NewClient(kubeconfig, kubeContext)
 	if err != nil {
 		s.Stop()
 		return fmt.Errorf("failed to connect to cluster: %w", err)

main.go

@@ -4,12 +4,12 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/spf13/cobra"
 	"github.com/helmcode/kubectl-ai/cmd"
+	"github.com/spf13/cobra"
 )
 
 var (
-	version = "dev" // Overwritten at build time
+	version = "v0.1.2" // Overwritten at build time
 )
 
 func main() {
@@ -49,4 +49,4 @@ func newVersionCmd() *cobra.Command {
 			fmt.Printf("kubectl-ai version %s\n", version)
 		},
 	}
-}
+}

pkg/k8s/client.go

@@ -31,15 +31,22 @@ type Client struct {
 }
 
 // NewClient creates a new Kubernetes client with discovery capabilities
-func NewClient(kubeconfig string) (*Client, error) {
+// If contextName is not empty, it will be used instead of the current context in kubeconfig.
+func NewClient(kubeconfig string, contextName string) (*Client, error) {
 	var config *rest.Config
 	var err error
 
 	// Try in-cluster config first
 	config, err = rest.InClusterConfig()
 	if err != nil {
-		// Fall back to kubeconfig
-		config, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
+		// Fall back to kubeconfig with optional context override
+		loadingRules := &clientcmd.ClientConfigLoadingRules{ExplicitPath: kubeconfig}
+		overrides := &clientcmd.ConfigOverrides{}
+		if contextName != "" {
+			overrides.CurrentContext = contextName
+		}
+		cfg := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, overrides)
+		config, err = cfg.ClientConfig()
 		if err != nil {
 			return nil, fmt.Errorf("failed to create config: %w", err)
 		}