diff --git a/README.md b/README.md
index 6c626dc..a663a92 100644
--- a/README.md
+++ b/README.md
@@ -5,54 +5,32 @@
 **kubenv** is a tool to ease the management of multiple kubernetes cluster.
 
 Features:
-- Merge different kubeconfig file in different path into a single big kubeconfig
+- Merge different kubeconfig files from different path into a single big kubeconfig
 - Switch between kubernetes context
 - Execute a command using either a single or mutliple contexts
 
 ## Install
 
-Grap the latest release in github or build by yourself:
+Grabe the latest release in github release or build it by yourself:
 
 ```
 go get https://github.com/mqllr/kubenv
 ```
 
-Define your configuration file as [kubenv-example.yaml](https://github.com/MqllR/kubenv/blob/master/example/kubenv_example.yaml) and export the environment variable:
+## Usage
 
-```
-export KUBENV_CONFIG=/path/to/my/config.yaml
-```
+Get started by picking up your kubeconfig files:
 
-## Configuration
-
- ### k8sConfigs
-
-The k8sConfigs section define the sync mode. 2 modes available: `local` for local files and `exec` for command execution. The exec mode will capture the command output.
-
-```yaml
-  dev:
-    sync:
-      mode: local
-      path: /tmp/k8senv/dev/config
-  kind:
-    sync:
-      mode: exec
-      command:
-        - bash
-        - -c
-        - |
-          kind export -q kubeconfig --kubeconfig /tmp/test && cat /tmp/test
+```
+kubenv sync -a=false -m=exec --command="cat /path/to/kubeconfig"
+▸ Start the synchronization of kubeconfig file into /home/john/.kube/config ...
 ```
 
-## Usage
-
-Get started by picking up your kubeconfig files:
+Which is equivalent to:
 
 ```
-kubenv sync
-▸ Start the synchronization of kubeconfig file into /home/mql/.kube/config ...
-Sync kubeconfig foo ✔
-Sync kubeconfig bar ✔
+kubenv sync -a=false -m=local --path="/path/to/kubeconfig"
+▸ Start the synchronization of kubeconfig file into /home/john/.kube/config ...
 ```
 
 Then you can change your default context by using the `use-context`
@@ -67,6 +45,14 @@ or execute a command against a single or multiple contexts:
 kubenv with-context
 ```
 
-The tool uses https://github.com/AlecAivazis/survey to navigate between contexts. If you prefer to use j/k to go down or up, press `esc`:
+The CLI uses https://github.com/AlecAivazis/survey to navigate between contexts. If you prefer to use j/k to go down or up, press `esc`:
 
 > The user can also press esc to toggle the ability cycle through the options with the j and k keys to do down and up respectively.
+
+## Bonus
+
+Want the CLI to be part of kubectl?
+
+```
+ln -s /home/john/go/bin/kubenv /usr/local/bin/kubectl-env
+```
diff --git a/TODO.md b/TODO.md
index df3ac4d..422879f 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,12 +3,11 @@
 - [ ] Backup / restore kubeconfig when running the sync command
 - [ ] Switch between namespaces
 - [x] Run command across mutliple clusters
-- [ ] Read the kubenv config through http(s)
 
 ## Sync
 
 - [ ] Get kubeconfig files using http(s)
-- [ ] Get kubeconfig with glob
+- [ ] Get kubeconfig with glob pattern
 - [ ] Add arguments to append a kubeconfig file to an existing config
 
 ## Prompt
diff --git a/cmd/root.go b/cmd/root.go
index 512007f..b19fa09 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -3,19 +3,12 @@ package cmd
 import (
 	goflag "flag"
 	"fmt"
-	"os"
 
 	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
 	"k8s.io/klog"
-
-	"github.com/mqllr/kubenv/pkg/config"
 )
 
 var (
-	// Used for flags.
-	cfgFile string
-
 	rootCmd = &cobra.Command{
 		Use:   "kubenv",
 		Short: "A tool to manage multiple Kube cluster",
@@ -37,49 +30,20 @@ func Execute() error {
 }
 
 func init() {
-	cobra.OnInitialize(initConfig)
-
 	klog.InitFlags(nil)
 	rootCmd.PersistentFlags().AddGoFlagSet(goflag.CommandLine)
 
 	rootCmd.Flags().SortFlags = false
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/kubenv.yaml)")
 
-	rootCmd.AddCommand(NewVersionCmd())
+	rootCmd.AddCommand(versionCmd())
 
 	// root cmd
-	rootCmd.AddCommand(showCmd)
-	rootCmd.AddCommand(syncCmd)
-	rootCmd.AddCommand(useContextCmd)
-	rootCmd.AddCommand(withContextCmd)
+	rootCmd.AddCommand(showCmd())
+	rootCmd.AddCommand(syncCommand())
+	rootCmd.AddCommand(useContextCmd())
+	rootCmd.AddCommand(withContextCmd())
 
 	// show cmd
-	showCmd.AddCommand(showClusterCmd)
-	showCmd.AddCommand(showUserCmd)
-}
-
-func initConfig() {
-	viper.SetEnvPrefix("kubenv")
-	err := viper.BindEnv("config")
-	if err != nil {
-		klog.Fatalf("Error when binding the config key %s", err)
-	}
-
-	if cfgFile != "" {
-		viper.SetConfigFile(cfgFile)
-	} else if viper.GetString("config") != "" {
-		viper.SetConfigFile(viper.GetString("config"))
-	} else {
-		viper.SetConfigName("kubenv")
-		viper.SetConfigType("yaml")
-		viper.AddConfigPath("$HOME/")
-		viper.AddConfigPath(".")
-	}
-
-	viper.SetDefault("kubeConfig", os.Getenv("HOME")+"/.kube/config")
-
-	err = config.LoadConfig()
-	if err != nil {
-		klog.Fatal(err)
-	}
+	showCmd().AddCommand(showClusterCmd())
+	showCmd().AddCommand(showUserCmd())
 }
diff --git a/cmd/show.go b/cmd/show.go
index 5dee6f4..2716140 100644
--- a/cmd/show.go
+++ b/cmd/show.go
@@ -2,8 +2,10 @@ package cmd
 
 import "github.com/spf13/cobra"
 
-var showCmd = &cobra.Command{
-	Use:     "show",
-	Short:   "show different information",
-	Aliases: []string{"sh"},
+func showCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:     "show",
+		Short:   "show different information",
+		Aliases: []string{"sh"},
+	}
 }
diff --git a/cmd/show_cluster.go b/cmd/show_cluster.go
index 1dae65a..19ec419 100644
--- a/cmd/show_cluster.go
+++ b/cmd/show_cluster.go
@@ -10,16 +10,20 @@ import (
 	"k8s.io/klog"
 )
 
-var showClusterCmd = &cobra.Command{
-	Use:   "cluster",
-	Short: "Print out the current context's cluster",
-	Run: func(cmd *cobra.Command, args []string) {
-		showCluster(args)
-	},
+func showClusterCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "cluster",
+		Short: "Print out the current context's cluster",
+		Run: func(cmd *cobra.Command, args []string) {
+			showCluster(args)
+		},
+	}
+
+	return cmd
 }
 
 func showCluster(args []string) {
-	kubeconfig, err := k8s.NewKubeConfigFromFile(config.Conf.KubeConfig)
+	kubeconfig, err := k8s.NewKubeConfigFromFile(config.GetKubeConfig())
 	if err != nil {
 		klog.Fatalf("Cannot load the kubeconfig file: %s", err)
 	}
diff --git a/cmd/show_user.go b/cmd/show_user.go
index eaa3d56..68c04a8 100644
--- a/cmd/show_user.go
+++ b/cmd/show_user.go
@@ -10,16 +10,19 @@ import (
 	"k8s.io/klog"
 )
 
-var showUserCmd = &cobra.Command{
-	Use:   "user",
-	Short: "Print out the current context's user",
-	Run: func(cmd *cobra.Command, args []string) {
-		showUser(args)
-	},
+func showUserCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "user",
+		Short: "Print out the current context's user",
+		Run: func(cmd *cobra.Command, args []string) {
+			showUser(args)
+		},
+	}
+	return cmd
 }
 
 func showUser(args []string) {
-	kubeconfig, err := k8s.NewKubeConfigFromFile(config.Conf.KubeConfig)
+	kubeconfig, err := k8s.NewKubeConfigFromFile(config.GetKubeConfig())
 	if err != nil {
 		klog.Fatalf("Cannot load the kubeconfig file: %s", err)
 	}
diff --git a/cmd/sync.go b/cmd/sync.go
index 309093c..b9b647e 100644
--- a/cmd/sync.go
+++ b/cmd/sync.go
@@ -5,47 +5,77 @@ import (
 
 	"github.com/manifoldco/promptui"
 	"github.com/spf13/cobra"
-	"k8s.io/klog"
 
 	"github.com/mqllr/kubenv/pkg/config"
 	"github.com/mqllr/kubenv/pkg/k8s"
-	k8ssync "github.com/mqllr/kubenv/pkg/sync"
+	"github.com/mqllr/kubenv/pkg/sync"
 )
 
-var syncCmd = &cobra.Command{
-	Use:   "sync",
-	Short: "Synchronize the kubernetes config files",
-	Run: func(cmd *cobra.Command, args []string) {
-		sync(args)
-	},
-}
+func syncCommand() *cobra.Command {
+	opts := sync.SyncOptions{}
 
-func sync(args []string) {
-	fmt.Printf("%v Start the synchronization of kubeconfig file into %s ...\n", promptui.IconSelect, config.Conf.KubeConfig)
+	cmd := &cobra.Command{
+		Use:   "sync",
+		Short: "Synchronize the kubernetes config files",
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			return validateFlags(&opts)
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runSync(&opts)
+		},
+	}
 
-	fullConfig := k8s.NewKubeConfig()
+	f := cmd.Flags()
+	f.BoolVarP(&opts.AppendTo, "append", "a", true, "Append the new kubeconfig files to ~/.kube/config")
+	f.StringVarP(&opts.Mode, "mode", "m", "local", "Mode to read a kubeconfig file. Either local, exec or glob")
+	f.StringVar(&opts.Path, "path", "", "A path to the local kubeconfig file")
+	f.StringVar(&opts.Command, "command", "", "A command to execute to retrieve the kubeconfig file")
 
-	for name, conf := range config.Conf.K8SConfigs {
-		fmt.Printf("Sync kubeconfig %s", name)
+	return cmd
+}
 
-		s, err := k8ssync.NewService(*conf.Sync)
-		if err != nil {
-			fmt.Printf(" %v\n", promptui.IconBad)
-			klog.V(2).Infof("Cannot sync: %s", err)
-			continue
+func validateFlags(opts *sync.SyncOptions) error {
+	existInSyncMode := func(mode string) bool {
+		for _, m := range config.SyncMode {
+			if mode == m {
+				return true
+			}
 		}
+		return false
+	}
+
+	if !existInSyncMode(opts.Mode) {
+		return fmt.Errorf("Mode %s not supported", opts.Mode)
+	}
+
+	return nil
+}
+
+func runSync(opts *sync.SyncOptions) error {
+	fmt.Printf("%v Start to synchronize the kubeconfig file into %s ...\n", promptui.IconSelect, config.GetKubeConfig())
 
-		err = s.AppendKubeConfig(fullConfig)
+	baseKubeConfig := k8s.NewKubeConfig()
+	var err error
+
+	if opts.AppendTo {
+		baseKubeConfig, err = k8s.NewKubeConfigFromFile(config.GetKubeConfig())
 		if err != nil {
-			fmt.Printf(" %v\n", promptui.IconBad)
-			klog.V(2).Infof("Error when getting the config back: %s", err)
-		} else {
-			fmt.Printf(" %v\n", promptui.IconGood)
+			return fmt.Errorf("Something went wrong: %s", err)
 		}
 	}
 
-	err := fullConfig.WriteFile(config.Conf.KubeConfig)
+	svc := sync.NewService(opts)
+	kubeconfig, err := svc.GetKubeConfig()
+	if err != nil {
+		return fmt.Errorf("Cannot retrieve the kubeconfig: %s", err)
+	}
+
+	baseKubeConfig.Append(kubeconfig)
+
+	err = baseKubeConfig.WriteFile(config.GetKubeConfig())
 	if err != nil {
 		fmt.Printf("%v Failed to write the kubeconfig file: %s", promptui.IconBad, err)
 	}
+
+	return nil
 }
diff --git a/cmd/use_context.go b/cmd/use_context.go
index d80ee47..b951243 100644
--- a/cmd/use_context.go
+++ b/cmd/use_context.go
@@ -11,24 +11,31 @@ import (
 	"github.com/mqllr/kubenv/pkg/prompt"
 )
 
-var context string
-
-var useContextCmd = &cobra.Command{
-	Aliases: []string{"uc"},
-	Use:     "use-context",
-	Short:   "Switch to k8s context",
-	Run: func(cmd *cobra.Command, args []string) {
-		useContext(args)
-	},
+type useContextOptions struct {
+	context string
 }
 
-func init() {
-	useContextCmd.Flags().StringVarP(&context, "context", "c", "", "Kubernetes context to switch")
+func useContextCmd() *cobra.Command {
+	opts := useContextOptions{}
+
+	cmd := &cobra.Command{
+		Use:     "use-context",
+		Short:   "Switch to k8s context",
+		Aliases: []string{"uc"},
+		Run: func(cmd *cobra.Command, args []string) {
+			useContext(&opts)
+		},
+	}
+
+	f := cmd.Flags()
+	f.StringVarP(&opts.context, "context", "c", "", "Kubernetes context to switch")
+
+	return cmd
 }
 
 // use-context command
-func useContext(args []string) {
-	kubeconfig, err := k8s.NewKubeConfigFromFile(config.Conf.KubeConfig)
+func useContext(opts *useContextOptions) {
+	kubeconfig, err := k8s.NewKubeConfigFromFile(config.GetKubeConfig())
 	if err != nil {
 		klog.Fatalf("Cannot load kubeconfig file: %s", err)
 	}
@@ -37,11 +44,11 @@ func useContext(args []string) {
 
 	var selectedContext string
 
-	if context != "" {
-		if !kubeconfig.IsContextExist(context) {
-			klog.Fatalf("Context %s doesn't exist", context)
+	if opts.context != "" {
+		if !kubeconfig.IsContextExist(opts.context) {
+			klog.Fatalf("Context %s doesn't exist", opts.context)
 		}
-		selectedContext = context
+		selectedContext = opts.context
 	} else {
 		sort.Strings(contexts)
 
@@ -57,7 +64,7 @@ func useContext(args []string) {
 		klog.Fatalf("Cannot set the current context %s: %s", selectedContext, err)
 	}
 
-	err = kubeconfig.WriteFile(config.Conf.KubeConfig)
+	err = kubeconfig.WriteFile(config.GetKubeConfig())
 	if err != nil {
 		klog.Fatalf("Cannot write the kubeconfig file: %s", err)
 	}
diff --git a/cmd/version.go b/cmd/version.go
index 0d673e7..dd04207 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -9,18 +9,22 @@ import (
 )
 
 const (
-	version = "0.3.2"
+	version = "1.0.0"
 )
 
-var output string
+type versionOptions struct {
+	output string
+}
+
+// versionCmd cobra command for version
+func versionCmd() *cobra.Command {
+	opts := versionOptions{}
 
-// NewVersionCmd cobra command for version
-func NewVersionCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "version",
 		Short: "Print the CLI version",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			switch output {
+			switch opts.output {
 			case "json":
 				v, _ := json.Marshal(map[string]string{"version": version})
 				fmt.Fprintf(cmd.OutOrStdout(), "%s", string(v))
@@ -34,7 +38,8 @@ func NewVersionCmd() *cobra.Command {
 		Aliases: []string{"v"},
 	}
 
-	cmd.Flags().StringVarP(&output, "output", "o", "", "Output: json")
+	f := cmd.Flags()
+	f.StringVarP(&opts.output, "output", "o", "", "Output: json")
 
 	return cmd
 }
diff --git a/cmd/version_test.go b/cmd/version_test.go
index 31cf63a..31a3c52 100644
--- a/cmd/version_test.go
+++ b/cmd/version_test.go
@@ -29,7 +29,7 @@ func TestVersionOutput(t *testing.T) {
 
 			b := bytes.NewBufferString("")
 
-			cmd := NewVersionCmd()
+			cmd := versionCmd()
 			cmd.SetOut(b)
 			cmd.SetArgs([]string{"-o", option.arg})
 
diff --git a/cmd/with_context.go b/cmd/with_context.go
index 2f13b1b..160b049 100644
--- a/cmd/with_context.go
+++ b/cmd/with_context.go
@@ -12,19 +12,22 @@ import (
 	"github.com/mqllr/kubenv/pkg/prompt"
 )
 
-var withContextCmd = &cobra.Command{
-	Aliases: []string{"wc"},
-	Use:     "with-context command ...",
-	Short:   "Execute a command with one or multiple k8s context",
-	Args:    cobra.MinimumNArgs(1),
-	Run: func(cmd *cobra.Command, args []string) {
-		withContext(args)
-	},
+func withContextCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Aliases: []string{"wc"},
+		Use:     "with-context command ...",
+		Short:   "Execute a command with one or multiple k8s context",
+		Args:    cobra.MinimumNArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			withContext(args)
+		},
+	}
+	return cmd
 }
 
 // with-context command
 func withContext(args []string) {
-	c, err := k8s.NewKubeConfigFromFile(config.Conf.KubeConfig)
+	c, err := k8s.NewKubeConfigFromFile(config.GetKubeConfig())
 	if err != nil {
 		klog.Fatalf("Error when loading kubeconfig file: %s", err)
 	}
diff --git a/example/kubenv_example.yaml b/example/kubenv_example.yaml
deleted file mode 100644
index 80cc230..0000000
--- a/example/kubenv_example.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
----
-kubeConfig: "/home/test/.kube/config" # Optional, default to $HOME/.kube/config
-
-k8sConfigs:
-  dev:
-    sync:
-      mode: local
-      path: /tmp/k8senv/dev/config
-  test:
-    sync:
-      mode: local
-      path: /tmp/k8senv/test/config
-  kind:
-    sync:
-      mode: exec
-      command:
-        - bash
-        - -c
-        - |
-          kind export -q kubeconfig --kubeconfig /tmp/test && cat /tmp/test
diff --git a/go.mod b/go.mod
index 51e7c4d..85b2f2d 100644
--- a/go.mod
+++ b/go.mod
@@ -7,33 +7,22 @@ require (
 	github.com/fatih/color v1.7.0
 	github.com/manifoldco/promptui v0.8.0
 	github.com/spf13/cobra v1.1.3
-	github.com/spf13/viper v1.7.1
 	gopkg.in/yaml.v2 v2.4.0
 	k8s.io/klog v1.0.0
 )
 
 require (
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
-	github.com/fsnotify/fsnotify v1.4.9 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/lunixbochs/vtclean v1.0.0 // indirect
-	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mattn/go-colorable v0.1.8 // indirect
 	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect
-	github.com/mitchellh/mapstructure v1.4.1 // indirect
-	github.com/pelletier/go-toml v1.9.1 // indirect
-	github.com/spf13/afero v1.6.0 // indirect
-	github.com/spf13/cast v1.3.1 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.5.1 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
 	golang.org/x/sys v0.0.0-20210603125802-9665404d3644 // indirect
 	golang.org/x/term v0.0.0-20210503060354-a79de5458b56 // indirect
 	golang.org/x/text v0.3.6 // indirect
-	gopkg.in/ini.v1 v1.62.0 // indirect
 )
diff --git a/go.sum b/go.sum
index f7335f9..40ccadf 100644
--- a/go.sum
+++ b/go.sum
@@ -49,8 +49,6 @@ github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@@ -78,7 +76,6 @@ github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OI
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
@@ -99,7 +96,6 @@ github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/b
 github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
@@ -112,7 +108,6 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
-github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a h1:FaWFmfWdAUKbSCtOU2QjDaorUexogfaMgbipgYATUMU=
 github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU=
@@ -122,7 +117,6 @@ github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:C
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -135,8 +129,6 @@ github.com/lunixbochs/vtclean v0.0.0-20180621232353-2d01aacdc34a/go.mod h1:pHhQN
 github.com/lunixbochs/vtclean v1.0.0 h1:xu2sLAri4lGiovBDQKxl5mrXyESr3gUr5m5SM5+LVb8=
 github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
-github.com/magiconair/properties v1.8.5 h1:b6kJs+EmPFMYGkow9GiUyCyOvIwYetYJ3fSaWak/Gls=
-github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/manifoldco/promptui v0.8.0 h1:R95mMF+McvXZQ7j1g8ucVZE1gLP3Sv6j9vlF9kyRqQo=
 github.com/manifoldco/promptui v0.8.0/go.mod h1:n4zTdgP0vr0S3w7/O/g98U+e0gwLScEXGwov2nIKuGQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
@@ -161,19 +153,14 @@ github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS4
 github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=
-github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/pelletier/go-toml v1.9.1 h1:a6qW1EVNZWH9WGI6CsYdD8WAylkoXBS5yv0XHlh17Tc=
-github.com/pelletier/go-toml v1.9.1/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -193,38 +180,26 @@ github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
-github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
-github.com/spf13/afero v1.6.0 h1:xoax2sJ2DT8S8xA2paPFjDCScCNeWsg75VG0DLRreiY=
-github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
-github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v1.1.3 h1:xghbfqPkxzxP3C/f3n5DdpAbdKLj4ZE4BWQI362l53M=
 github.com/spf13/cobra v1.1.3/go.mod h1:pGADOWyqRD/YMrPZigI/zbliZ2wVD/23d+is3pSWzOo=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
-github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
-github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
-github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk=
-github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.1/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
@@ -240,7 +215,6 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -296,7 +270,6 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -357,8 +330,6 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 8b6e509..4511893 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -1,45 +1,21 @@
 package config
 
 import (
-	"fmt"
-	"sync"
-
-	"github.com/spf13/viper"
-)
-
-var (
-	// Conf store the full config. It can be used to access
-	// to any configuration information after calling LoadConfig()
-	Conf   *Config
-	confMu = &sync.Mutex{}
+	"os"
+	"path"
 )
 
-// Config global config description
-type Config struct {
-	KubeConfig string                `yaml:"kubeConfig"`
-	K8SConfigs map[string]*K8SConfig `mapstructure:"k8sConfigs"`
-}
-
-// LoadConfig should be call first to load the configuration. It stores
-// the configuration in Conf.
-func LoadConfig() error {
-	confMu.Lock()
-	defer confMu.Unlock()
-
-	err := viper.ReadInConfig()
-	if err != nil {
-		return fmt.Errorf("Error Using config file %s: %s", viper.ConfigFileUsed(), err)
-	}
+func GetKubeConfig() string {
+	kubeconfig := os.Getenv("KUBECONFIG")
 
-	Conf = &Config{}
-	err = viper.Unmarshal(Conf)
-	if err != nil {
-		return fmt.Errorf("Error when unmarshaling the config file %s: %s", viper.ConfigFileUsed(), err)
-	}
+	if kubeconfig == "" {
+		home, err := os.UserHomeDir()
+		if err != nil {
+			return ""
+		}
 
-	if err = Conf.Validate(); err != nil {
-		return fmt.Errorf("Bad config syntax: %s", err)
+		return path.Join(home, ".kube/config")
 	}
 
-	return nil
+	return kubeconfig
 }
diff --git a/pkg/config/constants.go b/pkg/config/constants.go
index d8a8633..9712412 100644
--- a/pkg/config/constants.go
+++ b/pkg/config/constants.go
@@ -1,7 +1,7 @@
 package config
 
 var (
-	availableK8SSyncMode = []string{
+	SyncMode = []string{
 		"local",
 		"exec",
 	}
diff --git a/pkg/config/k8sconfigs.go b/pkg/config/k8sconfigs.go
deleted file mode 100644
index d155e92..0000000
--- a/pkg/config/k8sconfigs.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package config
-
-import "fmt"
-
-// K8SConfig represents a K8SConfig, with only a sync description
-type K8SConfig struct {
-	Sync *K8SSync `yaml:"sync"`
-}
-
-// K8SSync represents a sync configuration
-type K8SSync struct {
-	Mode    string   `yaml:"mode"`
-	Path    string   `yaml:"path,omitempty"`
-	Command []string `yaml:"command,omitempty"`
-}
-
-// FindK8SConfig get a configuration for a single K8SConfig
-func (c *Config) FindK8SConfig(config string) *K8SConfig {
-	if conf, ok := c.K8SConfigs[config]; ok {
-		return conf
-	}
-
-	return &K8SConfig{}
-}
-
-// ListK8SConfigsNames just list the names of all the K8SConfigs
-func (c *Config) ListK8SConfigsNames() []string {
-	var configs []string
-	for config := range c.K8SConfigs {
-		configs = append(configs, config)
-	}
-
-	return configs
-}
-
-func (c *Config) Validate() error {
-	for _, conf := range c.K8SConfigs {
-		for _, syncMode := range availableK8SSyncMode {
-			if conf.Sync.Mode == syncMode {
-				return nil
-			}
-		}
-
-		return fmt.Errorf("K8S Sync mode %s not implemented", conf.Sync.Mode)
-	}
-
-	return nil
-}
diff --git a/pkg/sync/sync.go b/pkg/sync/sync.go
index c721bb2..f39cd01 100644
--- a/pkg/sync/sync.go
+++ b/pkg/sync/sync.go
@@ -1,12 +1,18 @@
 package sync
 
 import (
-	"fmt"
+	"strings"
 
-	"github.com/mqllr/kubenv/pkg/config"
 	"github.com/mqllr/kubenv/pkg/k8s"
 )
 
+type SyncOptions struct {
+	AppendTo bool
+	Mode     string
+	Path     string
+	Command  string
+}
+
 // Sync implements a way to pick up a kubeconfig
 type Sync interface {
 	GetKubeConfig() (*k8s.KubeConfig, error)
@@ -15,38 +21,26 @@ type Sync interface {
 // Service represents the required information to
 // pick a kubeconfig according to the config
 type Service struct {
-	s      Sync
-	config config.K8SSync
+	s Sync
 }
 
 // NewService creates a SyncService according to the
 // sync type
-func NewService(conf config.K8SSync) (*Service, error) {
-	sync := &Service{
-		config: conf,
-	}
+func NewService(opts *SyncOptions) *Service {
+	sync := &Service{}
 
-	switch conf.Mode {
+	switch opts.Mode {
 	case "local":
-		sync.s = NewLocalFile(conf.Path)
+		sync.s = NewLocalFile(opts.Path)
 	case "exec":
-		sync.s = NewCommandExec(conf.Command)
-	default:
-		return nil, fmt.Errorf("Sync mode not implemented")
+		cmd := strings.Split(opts.Command, " ")
+		sync.s = NewCommandExec(cmd)
 	}
 
-	return sync, nil
+	return sync
 }
 
-// AppendKubeConfig merges the kubeconfig synchronised into the
-// kubeConfig in argument
-func (s *Service) AppendKubeConfig(kubeConfig *k8s.KubeConfig) error {
-	k, err := s.s.GetKubeConfig()
-	if err != nil {
-		return fmt.Errorf("Cannot get the kubeconfig: %s", err)
-	}
-
-	kubeConfig.Append(k)
-
-	return nil
+// GetKubeConfig retrieve a kubeconfig using a sync mode
+func (s *Service) GetKubeConfig() (*k8s.KubeConfig, error) {
+	return s.s.GetKubeConfig()
 }