fix: increase heap memory to 2G and add memory cleanup to prevent segmentation fault

Author: abbesBenayache

.github/workflows/dapp-deploy.yml

@@ -69,7 +69,7 @@ jobs:
         /etc/resolv.conf
       binary-fs: true
       fs-dir: /app
-      heap: 1G
+      heap: 2G
       dlopen: 1
       mprotect: 1
     secrets:

.github/workflows/dapp-release.yml

@@ -50,7 +50,7 @@ jobs:
         /etc/resolv.conf
       binary-fs: true
       fs-dir: /app
-      heap: 1G
+      heap: 2G
       dlopen: 1
       mprotect: 1
     secrets:

dapp/src/sendEmail.js

@@ -108,6 +108,9 @@ async function start() {
     requesterSecret.emailContentEncryptionKey
   );
 
+  // Clear large buffers from memory
+  encryptedEmailContent.fill(0);
+
   // Step 4: Send email
   const response = await sendEmail({
     email: protectedData.email,