diff --git a/apps/builder/libs/mailgun.ts b/apps/builder/libs/mailgun.ts
deleted file mode 100644
index 2be728d87a3..00000000000
--- a/apps/builder/libs/mailgun.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import Mailgun from 'mailgun.js'
-import formData from 'form-data'
-
-export const initMailgun = () => {
-  const mailgun = new Mailgun(formData)
-  return mailgun.client({
-    username: 'api',
-    key: '0b024a6aac02d3f52d30999674bcde30-53c13666-e8653f58',
-    url: 'https://api.eu.mailgun.net',
-  })
-}
diff --git a/apps/viewer/pages/api/ping.ts b/apps/viewer/pages/api/ping.ts
new file mode 100644
index 00000000000..570cf2da657
--- /dev/null
+++ b/apps/viewer/pages/api/ping.ts
@@ -0,0 +1,13 @@
+import { NextApiRequest, NextApiResponse } from 'next'
+import Cors from 'cors'
+import { initMiddleware, methodNotAllowed } from 'utils'
+
+const cors = initMiddleware(Cors())
+
+const handler = async (req: NextApiRequest, res: NextApiResponse) => {
+  await cors(req, res)
+  if (req.method === 'GET') return res.status(200).send({ message: 'success' })
+  return methodNotAllowed(res)
+}
+
+export default handler
diff --git a/packages/db/package.json b/packages/db/package.json
index b97890d64c5..583a6cba29d 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -15,7 +15,7 @@
   "scripts": {
     "dev": "dotenv -e ../../apps/builder/.env.local yarn prisma db push && yarn start:sutdio  ",
     "start:sutdio": "dotenv -e ../../apps/builder/.env.local -v BROWSER=none yarn prisma studio",
-    "build": "yarn migration:deploy",
+    "build": "DATABASE_URL=$MIGRATION_DATABASE_URL yarn migration:deploy",
     "migration:push": "dotenv -e ../../apps/builder/.env.local yarn prisma db push",
     "migration:create": "dotenv -e ../../apps/builder/.env.local yarn prisma migrate dev",
     "migration:reset": "dotenv -e ../../apps/builder/.env.local yarn prisma migrate reset",