diff --git a/src/helpers/copy.ts b/src/helpers/copy.ts
index e7aeb1e..8154d5b 100644
--- a/src/helpers/copy.ts
+++ b/src/helpers/copy.ts
@@ -11,7 +11,11 @@ const filesWithDots = (name: string) => {
     case 'yarnrc':
     case 'npmrc':
     case 'editorconfig':
-    case 'babelrc': {
+    case 'babelrc':
+    case 'env.development':
+    case 'env.production':
+    case 'env':
+    case 'env.local': {
       return '.'.concat(name);
     }
     default: {
diff --git a/templates/next/env.development b/templates/next/env.development
new file mode 100644
index 0000000..e0bcdfa
--- /dev/null
+++ b/templates/next/env.development
@@ -0,0 +1 @@
+NEXT_PUBLIC_IS_DEV=true
\ No newline at end of file
diff --git a/templates/next/env.production b/templates/next/env.production
new file mode 100644
index 0000000..113e34c
--- /dev/null
+++ b/templates/next/env.production
@@ -0,0 +1 @@
+NEXT_PUBLIC_IS_DEV=false
\ No newline at end of file
diff --git a/templates/next/next.config.js b/templates/next/next.config.js
index 60b62b3..a67b1cb 100644
--- a/templates/next/next.config.js
+++ b/templates/next/next.config.js
@@ -1,27 +1,13 @@
 /*
   eslint-disable
   @typescript-eslint/no-var-requires,
-  no-param-reassign,
   global-require
 */
 
-const {
-  PHASE_DEVELOPMENT_SERVER,
-} = require('next/constants');
-
-module.exports = (phase) => {
-  // Started in development mode `yarn dev` regardless of the value of STAGING environmental variable
-  const isDev = phase === PHASE_DEVELOPMENT_SERVER || process.env.NODE_ENV === 'development';
-
-  const env = {
-    IS_DEV: isDev,
-  };
-
+module.exports = () => {
   const withBundleAnalyzer = require('@next/bundle-analyzer')({
     enabled: process.env.ANALYZE === 'true',
   });
 
-  return withBundleAnalyzer({
-    env,
-  });
+  return withBundleAnalyzer();
 };