making CI only runs on merged

.github/workflows/DeployAstro.yml

@@ -3,8 +3,10 @@ name: Deploy Astro site to Pages
 
 on:
   # Runs on pushes targeting the default branch
-  push:
-    branches: ["master"]
+  pull_request:
+    types:
+      - closed
+
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -24,6 +26,7 @@ concurrency:
 env:
   BUILD_PATH: "./homepage"
 
+
 jobs:
   build:
     name: Build
@@ -58,6 +61,7 @@ jobs:
           path: ${{ env.BUILD_PATH }}/dist
 
   deploy:
+    if: github.event.pull_request.merged == true
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}