Optimizing the deploy.yml file

.github/workflows/deploy.yml

@@ -4,10 +4,19 @@ on:
   push:
     branches:
     - main
+    # Only run deployment if files in these paths change
+    paths:
+    - 'notebooks/**'
+    - '_config.yml'
+    - '_toc.yml'
+    - 'requirements.txt'
 
 jobs:
   deploy-book:
     runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
     permissions:
       pages: write
       id-token: write
@@ -18,6 +27,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: 3.11
+        cache: 'pip' # This caches pip dependencies
 
     - name: Install dependencies
       run: |