Revert "Run CD on any push"

This reverts commit 593c760ca8.

.github/workflows/continuous-deployment.yaml

@@ -1,19 +1,19 @@
 name: Continuous Deployment
 # Based on https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#running-a-workflow-based-on-the-conclusion-of-another-workflow
 
-on: ["push"]
+on:
   # Trigger this workflow (continuous deployment) when the "Continous Integration" workflow
   # had completed on the main branch.
-#  workflow_run:
-#    workflows: [Continuous Integration]
-#    types: [completed]
-#    branches: ["main"]
+  workflow_run:
+    workflows: [Continuous Integration]
+    types: [completed]
+    branches: ["main"]
 
 jobs:
   ci-success:
     runs-on: ubuntu-latest
     # Check that the triggering workflow ended successfully.
-#    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     env:
       # This workflow uses authentication through an API token according to: https://devcenter.heroku.com/articles/authentication
       # Note: API token are differnt from API keys.
@@ -41,8 +41,8 @@ jobs:
           git fetch heroku
           git push --dry-run heroku main:refs/heads/main
 
-#  ci-failure:
-#    runs-on: ubuntu-latest
-#    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
-#    steps:
-#      - run: echo 'The continuous inegration failed. Not deploying.'
+  ci-failure:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
+    steps:
+      - run: echo 'The continuous inegration failed. Not deploying.'