Add repo owner check and customisable input

Author: alexmaughan

.github/workflows/deploy.yml

@@ -23,9 +23,34 @@ on:
         required: false
         default: 'ubuntu-latest'
         type: string
+      repo-owner:
+        description: 'Repository owner/organization allowed to run this workflow'
+        required: false
+        default: 'electricbookworks'
+        type: string
 
 jobs:
+  owner-check:
+    runs-on: ${{ inputs.runner }}
+    outputs:
+      is_allowed_owner: ${{ steps.check_owner.outputs.is_allowed_owner }}
+    steps:
+      - name: Check repository owner
+        id: check_owner
+        run: |
+          REPO_OWNER="${{ github.repository_owner }}"
+          ALLOWED_OWNER="${{ inputs.repo-owner }}"
+          if [ "$REPO_OWNER" != "$ALLOWED_OWNER" ]; then
+            echo "⚠️  Repository owner '$REPO_OWNER' is not '$ALLOWED_OWNER'. Skipping workflow execution."
+            echo "is_allowed_owner=false" >> $GITHUB_OUTPUT
+          else
+            echo "✅ Repository owner '$REPO_OWNER' is authorized. Proceeding with workflow."
+            echo "is_allowed_owner=true" >> $GITHUB_OUTPUT
+          fi
+
   pre-check:
+    needs: owner-check
+    if: needs.owner-check.outputs.is_allowed_owner == 'true'
     runs-on: ${{ inputs.runner }}
     outputs:
       skip_book_server: ${{ steps.check_config.outputs.skip_book_server }}

README.md

@@ -23,7 +23,7 @@ jobs:
 
 Replace `{release-version}` with the latest release (e.g. `v2.0.2`), unless you want to use an older version.
 
-You can also add optional inputs to customise the Ruby and Node versions, as well as the config file location:
+You can also provide the following optional inputs, under the `with` property:
 
 ```yaml
 name: Deploy to Electric Book Server and S3
@@ -40,6 +40,7 @@ jobs:
       config-file: '.github/workflows/deploy.config.json' # optional - defaults to '.github/workflows/deploy.config.json'
       node-version: '22' # optional - defaults to 22
       runner: 'Linux-4core-16gb-ram-150gb-sso' # optional - defaults to 'ubuntu-latest'
+      repo-owner: 'electricbookworks' # optional - defaults to 'electricbookworks' - if not a match, workflow will be skipped
 ```
 
 ### 2. Create your deployment configuration