ci: clean up

Author: snwnde

.github/workflows/ci.yml

@@ -14,6 +14,18 @@ env:
   IMAGE_NAME: asciislide
 
 jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    permissions: write-all
+
+    steps:
+      - name: Clean up deployments
+        uses: strumwolf/delete-deployment-environment@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          environment: github-pages
+          onlyRemoveDeployments: true
+
   build-and-push:
     runs-on: ubuntu-22.04
 
@@ -46,7 +58,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - 
+      -
         name: Cache Docker layers
         uses: actions/cache@v3
         with:
@@ -66,11 +78,11 @@ jobs:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
 
-      - 
+      -
         name: Save Docker image
         run: docker save -o image.tar ${{ env.IMAGE_NAME }}:latest
 
-      - 
+      -
         name: Upload Docker image artifact
         uses: actions/upload-artifact@v4
         with:
@@ -82,18 +94,18 @@ jobs:
     needs: build-and-push
 
     steps:
-      - 
+      -
         name: Download Docker image artifact
         uses: actions/download-artifact@v4
         with:
           name: docker-image
-      - 
+      -
         name: Load Docker image
         run: docker load -i image.tar
-      - 
+      -
         name: Checkout code
         uses: actions/checkout@v3
-      - 
+      -
         name: Run example build with Docker
         uses: addnab/docker-run-action@v3
         with:
@@ -116,7 +128,7 @@ jobs:
                 <p>If you are not redirected automatically, follow this <a href="./example/html/main.html">link to main.html</a>.</p>
             </body>
             </html>' > build/index.html
-      - 
+      -
         name: Upload example artifact
         uses: actions/upload-artifact@v4
         with:
@@ -126,27 +138,27 @@ jobs:
 
   deploy-example:
     runs-on: ubuntu-22.04
-    needs: build-example
+    needs: [build-example, cleanup]
     permissions:
       contents: write
 
     steps:
-      - 
+      -
         name: Download example artifact
         uses: actions/download-artifact@v4
         with:
           name: example-build
           path: ${{ github.workspace }}/public
 
-      - 
+      -
         name: Verify artifact exists
         run: |
           if [ ! -d ${{ github.workspace }}/public ]; then
             echo "No artifact found, skipping deployment."
             exit 1
           fi
 
-      - 
+      -
         name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         with: