diff --git a/src/utils/index.ts b/src/utils/index.ts
index 74c750c..7c8b0c0 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,5 +1,6 @@
 export * from './date';
 export * from './format-posts';
+export * from './is-production';
 export * from './pick-two-random-colors';
 export * from './remark-reading-time';
 export * from './remark-widont';
diff --git a/src/utils/is-production.ts b/src/utils/is-production.ts
new file mode 100644
index 0000000..cd6b0bf
--- /dev/null
+++ b/src/utils/is-production.ts
@@ -0,0 +1 @@
+export const isProduction = process.env.NODE_ENV === 'production';