[헤딩금지] Axios

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/* Api.js */
import axios from 'axios';

const isDev = process.env.NODE_ENV === 'development';
const Api = axios.create({
    baseURL: isDev ? 'http://127.0.0.1:8000/' : 'DNS NAME',
});

export default Api;

/* App.js */
import React from 'react';
import Api from './Api';

class App extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            isLoading: true
        }
    }

    _fetchCourseData() {
        Api.get("url here")
            .then(res => {
                console.log(res);
            })
            .catch(err => {
                console.log(err);
            });
    }
    componentDidMount() {
        this._fetchCourseData()
    }
    render() {
        return ()
    }
}
export default App;