simplify next.config.js

next.config.js

@@ -1,23 +1,8 @@
 // const { PHASE_DEVELOPMENT_SERVER } = require('next/constants')
 // const withOffline = require('next-offline')
 
-module.exports = (/* phase  { defaultConfig } */) => {
-  const config = {
-    async exportPathMap() {
-      return {
-        '/about': { page: '/about' },
-        '/embed': { page: '/embed' },
-        '/index': { page: '/index' },
-        '/': { page: '/' }
-      }
-    },
+module.exports = {
   publicRuntimeConfig: {
-      API_URL:
-        process.env.NODE_ENV === 'production'
-          ? 'https://carbon-api.now.sh'
-          : 'http://localhost:4000'
-    }
+    API_URL: process.env.API_URL || 'http://localhost:4000'
   }
-
-  return config
 }

now.json

@@ -12,7 +12,8 @@
   ],
   "build": {
     "env": {
-      "NODE_ENV": "production"
+      "NODE_ENV": "production",
+      "API_URL": "@carbon_api_url"
     }
   },
   "github": {