add post merge deploy file

Author: Student

.github/workflows/post_merge_deploy.yml

@@ -0,0 +1,40 @@
+name: Post Merge Deploy (Production)
+
+on:
+  pull_request:
+    types:
+      - closed
+
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    env:
+      DBT_USER: ${{ secrets.DBT_USER }}
+      DBT_PASSWORD: ${{ secrets.DBT_PASSWORD }}
+      DATABASE_HOST: ${{ secrets.DATABASE_HOST }}
+      DATABASE_PORT: ${{ secrets.DATABASE_PORT }}
+
+    steps:
+      - name: Checkout branch
+        uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          
+      - name: Install dbt
+        run: pip install dbt-core==1.8.7 dbt-postgres==1.8.2
+
+      - name: Install dbt Packages
+        run: dbt deps
+
+      - name: Deploy & Test Models (Prod)
+        run: > 
+          dbt build
+          --profiles-dir _project_docs/automation
+          --target prod
+