diff --git a/container/container.go b/container/container.go
index 79c3a55..5b15dce 100644
--- a/container/container.go
+++ b/container/container.go
@@ -4,6 +4,8 @@ import (
 	"context"
 	"log"
 
+	"github.com/rogeecn/atom/utils/opt"
+	"github.com/spf13/viper"
 	"go.uber.org/dig"
 )
 
@@ -19,3 +21,20 @@ func init() {
 		log.Fatal(err)
 	}
 }
+
+type ProviderContainer struct {
+	Provider func(...opt.Option) error
+	Options  []opt.Option
+}
+
+type Providers []ProviderContainer
+
+func (p Providers) Provide(config *viper.Viper) error {
+	for _, provider := range p {
+		provider.Options = append(provider.Options, opt.Config(config))
+		if err := provider.Provider(provider.Options...); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/cmd/migrate.go b/migrate.go
similarity index 99%
rename from cmd/migrate.go
rename to migrate.go
index b57647a..ce4e1bd 100644
--- a/cmd/migrate.go
+++ b/migrate.go
@@ -1,4 +1,4 @@
-package cmd
+package atom
 
 import (
 	"log"
diff --git a/cmd/model.go b/model.go
similarity index 97%
rename from cmd/model.go
rename to model.go
index 6c7d86a..8bdeeae 100644
--- a/cmd/model.go
+++ b/model.go
@@ -1,7 +1,4 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
-package cmd
+package atom
 
 import (
 	"errors"
diff --git a/providers/config/config.go b/providers/config/config.go
index 3bdf21a..ca2246c 100644
--- a/providers/config/config.go
+++ b/providers/config/config.go
@@ -5,14 +5,6 @@ import (
 	"github.com/spf13/viper"
 )
 
-func AutoLoad() *viper.Viper {
-	v, err := Load("config.toml")
-	if err != nil {
-		return nil
-	}
-	return v
-}
-
 func Load(file string) (*viper.Viper, error) {
 	v := viper.NewWithOptions(viper.KeyDelimiter("_"))
 	v.AutomaticEnv()
diff --git a/root.go b/root.go
new file mode 100644
index 0000000..9fd3aca
--- /dev/null
+++ b/root.go
@@ -0,0 +1,96 @@
+package atom
+
+import (
+	"github.com/pkg/errors"
+	"github.com/rogeecn/atom/container"
+	"github.com/rogeecn/atom/providers/config"
+	"github.com/spf13/cobra"
+)
+
+var cfgFile string
+
+func Serve(providers container.Providers, opts ...Option) error {
+	var rootCmd = &cobra.Command{}
+	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "config.toml", "config file path")
+
+	for _, opt := range opts {
+		opt(rootCmd)
+	}
+
+	WithMigration(rootCmd)
+	WithModel(rootCmd)
+	WithSeeder(rootCmd)
+
+	// parse config files
+	configure, err := config.Load(cfgFile)
+	if err != nil {
+		return errors.Wrapf(err, "load config file: %s", cfgFile)
+	}
+
+	if err := providers.Provide(configure); err != nil {
+		return err
+	}
+
+	return rootCmd.Execute()
+}
+
+type Option func(*cobra.Command)
+
+func Name(name string) Option {
+	return func(cmd *cobra.Command) {
+		cmd.Use = name
+	}
+}
+
+func Short(short string) Option {
+	return func(cmd *cobra.Command) {
+		cmd.Short = short
+	}
+}
+
+func Long(long string) Option {
+	return func(cmd *cobra.Command) {
+		cmd.Long = long
+	}
+}
+func Run(run func(cmd *cobra.Command, args []string)) Option {
+	return func(cmd *cobra.Command) {
+		cmd.Run = run
+	}
+}
+
+func RunE(run func(cmd *cobra.Command, args []string) error) Option {
+	return func(cmd *cobra.Command) {
+		cmd.RunE = run
+	}
+}
+
+func PostRun(run func(cmd *cobra.Command, args []string)) Option {
+	return func(cmd *cobra.Command) {
+		cmd.PostRun = run
+	}
+}
+
+func PostRunE(run func(cmd *cobra.Command, args []string) error) Option {
+	return func(cmd *cobra.Command) {
+		cmd.PostRunE = run
+	}
+}
+
+func PreRun(run func(cmd *cobra.Command, args []string)) Option {
+	return func(cmd *cobra.Command) {
+		cmd.PreRun = run
+	}
+}
+
+func PreRunE(run func(cmd *cobra.Command, args []string) error) Option {
+	return func(cmd *cobra.Command) {
+		cmd.PreRunE = run
+	}
+}
+
+func Config(file string) Option {
+	return func(cmd *cobra.Command) {
+		_ = cmd.PersistentFlags().Set("config", file)
+	}
+}
diff --git a/cmd/seed.go b/seed.go
similarity index 98%
rename from cmd/seed.go
rename to seed.go
index 90dee87..31de3a6 100644
--- a/cmd/seed.go
+++ b/seed.go
@@ -1,4 +1,4 @@
-package cmd
+package atom
 
 import (
 	"log"