모든 것의 시작.

index.js

import React from 'react';
import { render } from 'react-dom';
import { createStore } from 'redux';
import { Provider } from 'react-redux';

import reducer from './reducers';
import App from './containers/app';

let store = createStore(reducer);

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