diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7fe08ed..dee2c3a 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -50,6 +50,8 @@ jobs:
           SUPABASE_ACCESS_TOKEN: ${{ secrets.SUPABASE_ACCESS_TOKEN }}
         run: supabase db push --linked --include-seed
 
+      # Sole production deploy path. vercel.json ignoreCommand skips Git-triggered
+      # Vercel builds so pushes do not produce a duplicate deployment.
       - name: Set up Vercel CLI
         run: npm install --global vercel@54.4.1
 
diff --git a/vercel.json b/vercel.json
new file mode 100644
index 0000000..b370fdc
--- /dev/null
+++ b/vercel.json
@@ -0,0 +1,4 @@
+{
+  "$schema": "https://openapi.vercel.sh/vercel.json",
+  "ignoreCommand": "echo 'Skipping Git integration build; production deploys via GitHub Actions after Supabase migrations.' && exit 0"
+}