From c31e116e3ca46a04e4ea74459c850d3fb742f3f4 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 20 Mar 2026 15:29:49 +0000
Subject: [PATCH 1/2] Initial plan


From 7a293443032ffad38ece0c28bd21c0e21a5b0cd8 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 20 Mar 2026 15:33:48 +0000
Subject: [PATCH 2/2] fix: call initVarlockEnv() in cached-env path in
 next-env-compat.ts

Co-authored-by: philmillman <3722211+philmillman@users.noreply.github.com>
---
 .changeset/fix-init-varlock-env-cached-path.md      | 5 +++++
 packages/integrations/nextjs/src/next-env-compat.ts | 1 +
 2 files changed, 6 insertions(+)
 create mode 100644 .changeset/fix-init-varlock-env-cached-path.md

diff --git a/.changeset/fix-init-varlock-env-cached-path.md b/.changeset/fix-init-varlock-env-cached-path.md
new file mode 100644
index 00000000..b31775cc
--- /dev/null
+++ b/.changeset/fix-init-varlock-env-cached-path.md
@@ -0,0 +1,5 @@
+---
+"@varlock/nextjs-integration": patch
+---
+
+Fix: call `initVarlockEnv()` in the cached-env code path so the `ENV` proxy is properly initialized at runtime (e.g., on Vercel serverless), not just at build time.
diff --git a/packages/integrations/nextjs/src/next-env-compat.ts b/packages/integrations/nextjs/src/next-env-compat.ts
index 78234840..5ddcc88c 100644
--- a/packages/integrations/nextjs/src/next-env-compat.ts
+++ b/packages/integrations/nextjs/src/next-env-compat.ts
@@ -300,6 +300,7 @@ export function loadEnvConfig(
         Object.entries(varlockLoadedEnv.config).map(([key, value]) => [key, value.value]),
       );
 
+      initVarlockEnv();
       resetRedactionMap(varlockLoadedEnv);
       debug('patching console with varlock redactor');
       patchGlobalConsole();