From 528d1048c014c597c8d5c010f956b1563bb6950e Mon Sep 17 00:00:00 2001
From: Sophia Reis <8879496+Sophmrs@users.noreply.github.com>
Date: Fri, 23 Jan 2026 12:09:18 -0300
Subject: [PATCH] fix: Copy .env file to build directory

---
 packages/cli/src/commands/build.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/packages/cli/src/commands/build.ts b/packages/cli/src/commands/build.ts
index 1f84933ced..f4fa58f573 100644
--- a/packages/cli/src/commands/build.ts
+++ b/packages/cli/src/commands/build.ts
@@ -53,6 +53,9 @@ export default class Build extends Command {
 
     await generate({ setup: true, basePath })
 
+    // Copy .env file to temporary directory to make NEXT_PUBLIC_* variables available during build
+    copyDotenv(basePath, tmpDir)
+
     const packageManager = getPreferredPackageManager()
 
     const buildResult = spawnSync(`${packageManager} run build`, {
@@ -176,3 +179,12 @@ async function checkDeps(basePath: string): Promise<Array<string>> {
     return []
   }
 }
+
+export function copyDotenv(basePath: string, tmpPath: string) {
+  const dotenvFile = `${basePath}/.env`
+  const destinationFile = `${tmpPath}/.env`
+
+  if (existsSync(dotenvFile)) {
+    copySync(dotenvFile, destinationFile)
+  }
+}