Env (#18)

* Use environment variables

gatsby-config.js

@@ -1,19 +1,15 @@
-let contentfulConfig
-
-try {
-  contentfulConfig = require('./.contentful')
-} catch (e) {
-  contentfulConfig = {
-    production: {
-      spaceId: process.env.SPACE_ID,
-      accessToken: process.env.ACCESS_TOKEN,
-    },
-  }
-} finally {
-  const { spaceId, accessToken } = contentfulConfig.production
-  if (!spaceId || !accessToken) {
-    throw new Error('Contentful space ID and access token need to be provided.')
-  }
+require('dotenv').config({
+  path: `.env.${process.env.NODE_ENV}`,
+})
+const contentfulConfig = {
+  spaceId: process.env.CONTENTFUL_SPACE_ID,
+  accessToken:
+    process.env.CONTENTFUL_ACCESS_TOKEN ||
+    process.env.CONTENTFUL_DELIVERY_TOKEN,
+}
+if (process.env.CONTENTFUL_HOST) {
+  contentfulConfig.host = process.env.CONTENTFUL_HOST
+  contentfulConfig.accessToken = process.env.CONTENTFUL_PREVIEW_ACCESS_TOKEN
 }
 
 module.exports = {
@@ -70,10 +66,7 @@ module.exports = {
     },
     {
       resolve: 'gatsby-source-contentful',
-      options:
-        process.env.NODE_ENV === 'development'
-          ? contentfulConfig.development
-          : contentfulConfig.production,
+      options: contentfulConfig,
     },
     'gatsby-plugin-netlify',
   ],

package.json

@@ -1,7 +1,7 @@
 {
   "name": "rw",
   "description": "Ryan Wiemer's online portfolio",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "author": "Ryan Wiemer <[email protected]>",
   "keywords": [
     "rw"
@@ -46,6 +46,9 @@
     "stylelint-config-styled-components": "^0.1.1",
     "stylelint-processor-styled-components": "^1.9.0"
   },
+  "engines": {
+    "node": ">=10.13.0"
+  },
   "scripts": {
     "build": "gatsby build",
     "develop": "gatsby develop",