StackNavigator with DrawerNavigator

// app/navigator.js
import { DrawerNavigator } from 'react-navigation'

// Screens
import Home from '../containers/homeContainer'
import Appointment from '../containers/appointmentContainer'

const Drawer = DrawerNavigator({
  Home: {
    screen: Home
  },
  Appointment: {
    screen: Appointment
  },
})
export default Drawer

// app/containers/homeContainer.js
import React, { Component } from 'react'
import {
  Text,
  View
} from 'react-native'
import { StackNavigator } from 'react-navigation'

class HomeContainer extends Component {
  render() {
    return (
      <View>
        <Text>Home</Text>
      </View>
    )
  }
}

export default StackNavigator({
  Home: { screen: HomeContainer }
})