index.js

import { render } from "react-dom"
import React from "react"
import { Provider } from "react-redux"
import { combineReducers, createStore,  applyMiddleware  } from "redux"
import thunk from 'redux-thunk'

//import the post screen
import PostScreen from "Containers/PostScreen"


//import all your reducers from the store
import postsReducer from "./Store/Posts/reducers"

//
const rootReducer = combineReducers({
    postsReducer
})

const store  = createStore(rootReducer, applyMiddleware(thunk))



render(
    <Provider store={store}>
        <PostScreen/>
    </Provider>,
    document.getElementById('app')
);