add PR cleanup, swap to prod workflows

.github/workflows/build-deploy.yml → .github/workflows/build-and-stage.yml

@@ -51,7 +51,7 @@ jobs:
 
     - name: If PR, create a new staging slot
       if: ${{ github.event_name == 'pull_request' }}
-      run: az webapp deployment slot create --resource-group ${{ vars.AZURE_RESOURCE_GROUP }} --name ${{ vars.AZURE_WEBAPP_NAME}} --slot ${{ env.SLOT_NAME }} --configuration-source staging
+      run: az webapp deployment slot create --resource-group ${{ vars.AZURE_RESOURCE_GROUP }} --name ${{ vars.AZURE_WEBAPP_NAME}} --slot ${{ env.SLOT_NAME }} --configuration-source ${{ vars.STAGING_SLOT_NAME }}
 
     - name: Deploy to staging slot
       uses: azure/webapps-deploy@v3

.github/workflows/pr-cleanup.yml

@@ -0,0 +1,32 @@
+name: Delete a preview environment
+
+on:
+  pull_request:
+    types: [closed]
+
+env:
+  SLOT_NAME: pr-${{ github.event.number }}
+
+jobs:
+  delete-slot:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Log into Azure CLI with service principal
+      uses: azure/login@v1
+      with:
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+    - name: Delete slot on staging site
+      run: az webapp deployment slot delete --resource-group ${{ vars.AZURE_RESOURCE_GROUP }} --name ${{ vars.AZURE_WEBAPP_NAME}} --slot ${{ env.SLOT_NAME }}
+
+  delete-deployment:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete Deployment Environment
+        uses: strumwolf/delete-deployment-environment@v2
+        with:
+          environment: "pr-${{ github.event.number }}"
+          token: ${{ secrets.GITHUB_TOKEN }}
+          onlyRemoveDeployments: true

.github/workflows/stage-prod-swap.yml

@@ -0,0 +1,22 @@
+name: Swap staging slot contents into production
+
+on:
+  workflow_dispatch:
+
+jobs:
+  promote-to-production:
+    name: Promote to production
+    runs-on: ubuntu-latest
+    environment:
+      name: 'Production'
+      url: 'https://${{ vars.AZURE_WEBAPP_NAME }}.azurewebsites.net/'
+
+    steps:
+    - name: Log into Azure CLI with service principal
+      uses: azure/login@v1
+      with:
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+    - name: Swap slots
+      run: az webapp deployment slot swap -s ${{ vars.STAGING_SLOT_NAME }} -n ${{ vars.AZURE_WEBAPP_NAME }} -g ${{ vars.AZURE_RESOURCE_GROUP }}
+