Add workflow for deploying to a staging website

.github/workflows/build-website.yml

@@ -6,28 +6,43 @@ on:
     schedule:
         - cron: '0 9,18 * * *'
 
+    # Allow this workflow to be reused
+    workflow_call:
+        inputs:
+            environment:
+                type: string
+
 concurrency:
     group: website-deployment
     # TODO: Enable cancel-in-progress once we are deploying per commit?
     #cancel-in-progress: true
 
 jobs:
     build_and_deploy:
-        # Only run this workflow from the trunk branch and when it's triggered by another workflow OR dmsnell OR adamziel
-        if: >
-            github.ref == 'refs/heads/trunk' && (
-                github.event_name == 'workflow_run' ||
-                github.event_name == 'workflow_dispatch' ||
-                github.actor == 'adamziel' ||
-                github.actor == 'dmsnell' ||
-                github.actor == 'bgrgicak' ||
-                github.actor == 'brandonpayton'
-            )
+        # Only run this workflow when it is:
+        # - From the trunk branch
+        #     or invoked from another workflow with a non-production environment
+        # - Triggered by another workflow OR specific Playground maintainers
+        # if: >
+        #     (
+        #         github.ref == 'refs/heads/trunk' ||
+        #         (
+        #             github.event_name == 'workflow_call' &&
+        #             inputs.environment != 'playground-wordpress-net-wp-cloud'
+        #         )
+        #     ) && (
+        #         github.event_name == 'workflow_run' ||
+        #         github.event_name == 'workflow_dispatch' ||
+        #         github.actor == 'adamziel' ||
+        #         github.actor == 'dmsnell' ||
+        #         github.actor == 'bgrgicak' ||
+        #         github.actor == 'brandonpayton'
+        #     )
 
         # Specify runner + deployment step
         runs-on: ubuntu-latest
         environment:
-            name: playground-wordpress-net-wp-cloud
+            name: ${{ inputs.environment || 'playground-wordpress-net-wp-cloud' }}
         steps:
             - uses: actions/checkout@v3
             - uses: ./.github/actions/prepare-playground

.github/workflows/deploy-website-to-staging.yml

@@ -0,0 +1,17 @@
+name: Deploy to wordpress-playground-staging.atomicsites.blog
+
+on:
+    workflow_dispatch:
+
+    # TODO: Remove this after testing
+    pull_request:
+
+concurrency:
+    group: staging-website-deployment
+
+jobs:
+    deploy-to-staging:
+        # TODO: Rename main workflow
+        uses: ./.github/workflows/build-website.yml
+        with:
+            environment: 'playground-wordpress-net-wp-cloud-staging'