diff --git a/.github/workflows/previews.yml b/.github/workflows/previews.yml
new file mode 100644
index 0000000..72be799
--- /dev/null
+++ b/.github/workflows/previews.yml
@@ -0,0 +1,29 @@
+name: documentation preview
+
+on: 
+  release: 
+    types: 
+      - published
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+    build-documentation:
+      runs-on: ubuntu-latest
+      steps:
+        - name: Trigger `Build and deploy` workflow in `documentation` repo
+          run: |
+            repo_owner="nginx" 
+            repo_name="documentation"  
+            event_type="trigger-preview-build" 
+            environment="preview"
+            theme_version="${{ github.head_ref || '' }}" # Will either be the branch name if triggered from pull request, or empty string (aka latest) if triggered from release
+
+            curl -L \
+            -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.PERSONAL_ACCESS_TOKEN }}" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/$repo_owner/$repo_name/dispatches \
+            -d "{\"event_type\": \"$event_type\", \"client_payload\": {\"environment\": \"$environment\", \"hugo_theme_override\": \"$theme_version\"}}"
diff --git a/.github/workflows/theme-release.yml b/.github/workflows/theme-release.yml
new file mode 100644
index 0000000..c896504
--- /dev/null
+++ b/.github/workflows/theme-release.yml
@@ -0,0 +1,55 @@
+name: Slack notification for new theme release
+
+on: 
+  workflow_run:
+    workflows:
+      - "documentation preview"
+    types: [completed]
+
+permissions:
+  contents: read
+
+jobs:
+    release-notification:
+        runs-on: ubuntu-latest
+        if: ${{ github.event.workflow_run.event == 'release' }}
+        permissions:
+          contents: read
+          actions: read # for 8398a7/action-slack
+          checks: read
+        steps:
+          - name: Send notification
+            uses:  8398a7/action-slack@1750b5085f3ec60384090fb7c52965ef822e869e # v3.18.0
+            with:
+                status: custom
+                custom_payload: |
+                  {
+                      username: 'Github',
+                      mention: 'channel',
+                      attachments: [{
+                        title: `New theme release - ${{ github.event.release.name }}`,
+                        color: '#009223',
+                        fields: [{
+                          title: 'Preview',
+                          value: `SOME PREVIEW LINK`,
+                          short: false
+                        },
+                        {
+                          title: 'Tag',
+                          value: `${{ github.event.release.tag_name }}`,
+                          short: true
+                        },
+                        {
+                          title: 'Author',
+                          value: `${{ github.event.release.author.login }}`,
+                          short: true
+                        },
+                        {
+                          title: 'URL',
+                          value: `${{ github.event.release.html_url }}`,
+                          short: true
+                        }]
+                      }]
+                  }
+            env:
+              SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}