diff --git a/.github/workflows/cd-workflow.yml b/.github/workflows/cd-workflow.yml
index f8a4660..b57b462 100644
--- a/.github/workflows/cd-workflow.yml
+++ b/.github/workflows/cd-workflow.yml
@@ -1,9 +1,8 @@
 name: 07-2. CD Workflow 
 
 on:
-  # push:
-  #   branches: [main]
-  workflow_dispatch:
+  push:
+     branches: [main]
 
 env:
   AZURE_WEBAPP_NAME: your-app-name    # set this to your application's name
@@ -51,7 +50,10 @@ jobs:
     steps:
     
     # Add here the download-artifact step
-    
+    - name: Download artifact from build job
+      uses: actions/download-artifact@v4
+      with:
+        name: node-app
 
     - name: Deploy to Prod
       if: ${{ success() }}
diff --git a/.github/workflows/ci-workflow.yml b/.github/workflows/ci-workflow.yml
index 6a1827e..04ce2bf 100644
--- a/.github/workflows/ci-workflow.yml
+++ b/.github/workflows/ci-workflow.yml
@@ -15,6 +15,7 @@ jobs:
   # CI job to run a test suite on the code base
   ci:
     name: CI
+    if: ${{ always() }} 
     # We want to test across mutiple OSs, defined by our matrix
     runs-on: ${{ matrix.os }}
     needs: lint
@@ -23,8 +24,8 @@ jobs:
       fail-fast: true
       matrix:
         # our matrix for testing across node versions and OSs
-        node-version: [12, 14]
-        os: [windows-2019, ubuntu-20.04, ubuntu-22.04]
+        node-version: [20, 22]
+        os: [macos-latest, windows-latest, ubuntu-latest]
     
     steps:
       - name: Checkout
@@ -43,7 +44,14 @@ jobs:
           echo npm test
 
       # Add here the upload-artifact action
-      
+      - shell: bash
+        run: |
+          echo 'Test upload artifact' > output.log
+      - name: Upload output file
+        uses: actions/upload-artifact@v4
+        with:
+          name: output-log-file-${{ matrix.node-version }}-${{ matrix.os }}
+          path: output.log
 
   # If both linting and CI succeeds we want to deploy the code to a test environment
   deploy-test:
@@ -58,7 +66,10 @@ jobs:
         uses: actions/checkout@v4
 
       # Add here the download-artifact step
-      
+      - name: Download a single artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: output-log-file-22-ubuntu-latest # default artifact
 
       # Placeholder - this step would be some action or run commands that deploys the code
       - name: Deploy to test env
diff --git a/.github/workflows/github-actions-demo.yml b/.github/workflows/github-actions-demo.yml
index e8540e8..d22a749 100644
--- a/.github/workflows/github-actions-demo.yml
+++ b/.github/workflows/github-actions-demo.yml
@@ -2,6 +2,11 @@ name: 01-1. GitHub Actions Demo
 on: 
   workflow_dispatch:
   workflow_call:
+  push:
+    branches:
+      - main
+    paths:
+      - 'labs/**'
 
 jobs:
   Explore-GitHub-Actions:
@@ -20,3 +25,12 @@ jobs:
       - run: echo "🍏 This job's status is ${{ job.status }}."
       - name: Adding markdown
         run: echo "### Hello world! :rocket:" >> "$GITHUB_STEP_SUMMARY"
+      # This step uses GitHub's hello-world-javascript-action: https://github.com/actions/hello-world-javascript-action
+      - name: Hello world
+        uses: actions/hello-world-javascript-action@main
+        with:
+          who-to-greet: "Mona the Octocat"
+        id: hello
+      # This step prints an output (time) from the previous step's action.
+      - name: Echo the greeting's time
+        run: echo 'The time was ${{ steps.hello.outputs.time }}.'   
diff --git a/.github/workflows/job-dependencies.yml b/.github/workflows/job-dependencies.yml
index e773fe0..541d700 100644
--- a/.github/workflows/job-dependencies.yml
+++ b/.github/workflows/job-dependencies.yml
@@ -31,3 +31,37 @@ jobs:
     needs: [fanout1, fanout2]
     steps:
       - run: echo "This job will run after fanout1 and fanout2 have finished."
+  build:
+    runs-on: windows-latest
+    steps:
+      - run: echo "This job will be run in parallel with the initial job."
+  test:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - run: echo "This job will be run after the build job."
+  ring01:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - run: echo "This job will be run after the test job."
+  ring02:
+    runs-on: macos-latest
+    needs: test
+    steps:
+      - run: echo "This job will be run after the test job."
+  ring03:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - run: echo "This job will be run after the test job."
+  ring04:
+    runs-on: ubuntu-latest
+    needs: [ring01,ring02,ring03]
+    steps:
+      - run: echo "This job will be run after the ring01,ring02,ring03 jobs."
+  prod:
+    runs-on: ubuntu-latest
+    needs: [ring04]
+    steps:
+      - run: echo "This job will be run after the ring04 job."
diff --git a/labs/dummyFile.txt b/labs/dummyFile.txt
new file mode 100644
index 0000000..4665c3c
--- /dev/null
+++ b/labs/dummyFile.txt
@@ -0,0 +1,3 @@
+to trigger workflow
+
+triggered again