diff --git a/apps/roam/build.sh b/apps/roam/build.sh
index aab8d8f09..d859641c7 100755
--- a/apps/roam/build.sh
+++ b/apps/roam/build.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 set -e
+export ROAM_BUILD_SCRIPT=1
 npm install -g corepack@latest
 corepack enable pnpm
 pnpm install
diff --git a/apps/website/app/api/supabase/env/route.ts b/apps/website/app/api/supabase/env/route.ts
new file mode 100644
index 000000000..d89572b7a
--- /dev/null
+++ b/apps/website/app/api/supabase/env/route.ts
@@ -0,0 +1,22 @@
+import { NextResponse, NextRequest } from "next/server";
+import {
+  handleRouteError,
+  defaultOptionsHandler,
+} from "~/utils/supabase/apiUtils";
+
+export const GET = (request: NextRequest): NextResponse => {
+  try {
+    const { SUPABASE_URL, SUPABASE_ANON_KEY } = process.env;
+    if (!SUPABASE_URL || !SUPABASE_ANON_KEY)
+      return new NextResponse("Missing variables", { status: 500 });
+    return NextResponse.json(
+      // eslint-disable-next-line @typescript-eslint/naming-convention
+      { SUPABASE_URL, SUPABASE_ANON_KEY },
+      { status: 200 },
+    );
+  } catch (e: unknown) {
+    return handleRouteError(request, e, "/api/supabase/env");
+  }
+};
+
+export const OPTIONS = defaultOptionsHandler;
diff --git a/packages/database/scripts/createEnv.mts b/packages/database/scripts/createEnv.mts
index d7142cfb0..15aa5f690 100644
--- a/packages/database/scripts/createEnv.mts
+++ b/packages/database/scripts/createEnv.mts
@@ -5,6 +5,7 @@ import { fileURLToPath } from "node:url";
 import dotenv from "dotenv";
 import { Vercel } from "@vercel/sdk";
 
+// eslint-disable-next-line @typescript-eslint/naming-convention
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const projectRoot = join(__dirname, "..");
 const baseParams: Record<string, string> = {};
@@ -106,11 +107,27 @@ const makeProductionEnv = async (vercel: Vercel, vercelToken: string) => {
 };
 
 const main = async (variant: Variant) => {
-  // Do not execute in deployment or github action.
-  if (
+  if (process.env.ROAM_BUILD_SCRIPT) {
+    // special case: production build
+    try {
+      const response = execSync('curl https://discoursegraphs.com/api/supabase/env');
+      const asJson = JSON.parse(response.toString()) as Record<string, string>;
+      writeFileSync(
+        join(projectRoot, ".env"),
+        Object.entries(asJson).map(([k,v])=>`${k}=${v}`).join('\n')
+      );
+      return;
+    } catch (e) {
+      if (process.env.SUPABASE_URL && process.env.SUPABASE_ANON_KEY)
+        return;
+      throw new Error("Could not get environment from site");
+    }
+  }
+  else if (
     process.env.HOME === "/vercel" ||
     process.env.GITHUB_ACTIONS !== undefined
   )
+    // Do not execute in deployment or github action.
     return;
 
   if (variant === Variant.none) return;
diff --git a/turbo.json b/turbo.json
index 83bbe601f..8aadd5604 100644
--- a/turbo.json
+++ b/turbo.json
@@ -30,6 +30,7 @@
     "GEMINI_API_KEY",
     "GH_CLIENT_SECRET_PROD",
     "GITHUB_ACTIONS",
+    "HOME",
     "OPENAI_API_KEY",
     "POSTGRES_PASSWORD",
     "POSTGRES_USER",
@@ -42,6 +43,7 @@
   ],
   "tasks": {
     "build": {
+      "env": ["ROAM_BUILD_SCRIPT"],
       "dependsOn": ["@repo/database#genenv"],
       "inputs": ["$TURBO_DEFAULT$", ".env*"],
       "outputs": [".next/**", "!.next/cache/**", "dist/**", "src/dbTypes.ts"]
@@ -69,7 +71,7 @@
       "with": ["@repo/database#dev"]
     },
     "genenv": {
-      "env": ["SUPABASE_USE_DB"],
+      "env": ["SUPABASE_USE_DB", "ROAM_BUILD_SCRIPT"],
       "cache": false,
       "outputs": [".env*"]
     },