simplify env vars

Author: gregrickaby

.env.sample

@@ -1,25 +1,16 @@
-# Learn more about ENV variables at https://github.com/WebDevStudios/nextjs-wordpress-starter/wiki
+# Learn more about ENV variables at https://github.com/WebDevStudios/nextjs-wordpress-starter/wiki/env-variables
 
-# Tells next.js we're in development mode
+# Tells Next.js we're in development mode. You do not need a Vercel account for this.
 VERCEL_ENV="development"
 
-# Allows node to work with local self-signed certificates.
+# Allows Node to work with local, self-signed certificates.
 NODE_TLS_REJECT_UNAUTHORIZED="0"
 
-# Your local WordPress URL.
-LOCAL_WORDPRESS_API_URL="https://nextjswp.test/"
+# Your WordPress URL.
+WORDPRESS_URL="https://nextjs.wpengine.com/"
 
-# Your development WordPress URL.
-DEV_WORDPRESS_API_URL="https://devwordpress.com"
-
-# Your staging WordPress URL.
-STAGING_WORDPRESS_API_URL="https://stagingwordpress.com/"
-
-# Your production WordPress URL.
-PROD_WORDPRESS_API_URL="https://productionwordpress.com/"
-
-# This needs to match PREVIEW_SECRET_TOKEN constant in wp-config.php. It can be any random string.
-WORDPRESS_PREVIEW_SECRET="ANY_RANDOM_STRING_SEE_README"
+# This needs to match WORDPRESS_PREVIEW_SECRET constant in wp-config.php. It can be any random string.
+WORDPRESS_PREVIEW_SECRET="ANY_RANDOM_STRING_OF_TEXT"
 
 # Your WordPress username.
 WORDPRESS_APPLICATION_USERNAME="YOUR_WORDPRESS_USERNAME"
@@ -28,7 +19,7 @@ WORDPRESS_APPLICATION_USERNAME="YOUR_WORDPRESS_USERNAME"
 WORDPRESS_APPLICATION_PASSWORD="YOUR_GENERATED_APPLICATION_PASSWORD"
 
 # Your Algolia index name.
-NEXT_PUBLIC_LOCAL_ALGOLIA_INDEX_NAME="YOUR_ALGOLIA_INDEX_NAME"
+NEXT_PUBLIC_ALGOLIA_INDEX_NAME="YOUR_ALGOLIA_INDEX_NAME"
 
 # Your Algolia application ID.
 NEXT_PUBLIC_ALGOLIA_APPLICATION_ID="YOUR_ALGOLIA_APP_ID"