Set api url for prod

frontend/src/services/api.js

@@ -1,4 +1,4 @@
-const API_BASE_URL = 'http://localhost:8080/api/v1';
+const API_BASE_URL = window.API_BASE_URL;
 
 export const fetchFileList = async () => {
     try {

frontend/webpack.config.js

@@ -1,7 +1,11 @@
 const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
+const webpack = require('webpack');
 
-module.exports = {
+module.exports = (env, argv) => {
+  const isProduction = argv.mode === 'production';
+
+  return {
     entry: './src/index.js',
     output: {
       path: path.resolve(__dirname, 'dist'),
@@ -28,6 +32,11 @@ module.exports = {
       new HtmlWebpackPlugin({
         template: './public/index.html',
       }),
+      new webpack.DefinePlugin({
+        'window.API_BASE_URL': JSON.stringify(
+          isProduction ? '/api/v1' : 'http://localhost:8080/api/v1'
+        ),
+      }),
     ],
     devServer: {
       static: {
@@ -36,4 +45,5 @@ module.exports = {
       port: 3000,
       open: true,
     },
+  };
 };