diff --git a/.env.example b/.env.example
index 66f1fd0..78a7179 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,4 @@
-# For emoji board
-DATABASE_URL='mysql://...'
+# For emoji board and blog post views
+REDIS_REST_API_TOKEN="...="
+REDIS_REST_API_URL="..."
+VERCEL_ENV="development"
diff --git a/.gitignore b/.gitignore
index 52af028..d1cc812 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,4 +36,4 @@ yarn-error.log*
 .vercel
 
 # contentlayer
-.contentlayer
\ No newline at end of file
+.contentlayer
diff --git a/src/lib/database/utils.ts b/src/lib/database/utils.ts
index 3685866..1019e94 100644
--- a/src/lib/database/utils.ts
+++ b/src/lib/database/utils.ts
@@ -13,7 +13,7 @@ export function getEmojiKey(emojiName: EmojiName) {
 }
 
 function getEnvStorageKey(key: string) {
-  const env = process.env.NODE_ENV;
+  const env = process.env.VERCEL_ENV;
   const envPrefix = env === 'production' ? 'production' : 'staging';
 
   return `${envPrefix}:${key}`;