Set default values for when push on main

Signed-off-by: Dong Hyuk Chang <donghyukc@nvidia.com>

Author: thomasdhc

.github/workflows/release-docs.yml

@@ -44,6 +44,10 @@ jobs:
   publish-docs:
     runs-on: ubuntu-latest
     needs: [build-docs]
+    env:
+      DRY_RUN: ${{ github.event_name == 'workflow_dispatch' && inputs.dry-run || false }}
+      NOTIFY_EMAILS: ${{ github.event_name == 'workflow_dispatch' && inputs.notify-emails || "akoumparouli@nvidia.com" }}
+      AWS_REGION: $${ github.event_name == 'workflow_dispatch' && inputs.aws-region || "us-east-1" }}
     steps:
       - uses: actions/checkout@v6
         with:
@@ -58,14 +62,14 @@ jobs:
         # If its on a versioned tag, it will extract the version number from the tag (strip `v` prefix)
         # and publish to the versioned directory in Akamai.
         with:
-          dry-run: ${{ inputs.dry-run }}
+          dry-run: ${{ env.DRY_RUN }}
           artifacts-name: docs-html
           artifacts-path: _build/html
-          emails-csv: ${{ inputs.notify-emails && format('{0},{1}', vars.docs_release_emails, inputs.notify-emails) || vars.docs_release_emails }}
+          emails-csv: ${{ env.NOTIFY_EMAILS && format('{0},{1}', vars.docs_release_emails, inputs.notify-emails) || vars.docs_release_emails }}
           overwrite-latest-on-tag: false
           run-on-version-tag-only: ${{ github.ref_name != 'main' }}
           request-name: automodel-publish-docs-${{ github.run_id }}
-          aws-region: ${{ inputs.aws-region }}
+          aws-region: ${{ env.AWS-REGION }}
           aws-role-to-assume: ${{ secrets.AWS_ASSUME_ROLE_ARN }}
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}