ci(gitops): trigger app build workflows on gitops pushes

.github/workflows/trigger-app-builds-from-gitops.yml

@@ -0,0 +1,83 @@
+name: Trigger App Builds From GitOps
+
+on:
+  push:
+    branches:
+      - main
+      - testingcodex
+    paths:
+      - apps/nxtgauge-backend/**
+      - apps/nxtgauge-admin-frontend/**
+      - apps/nxtgauge-frontendwebsite/**
+
+permissions:
+  contents: read
+
+jobs:
+  detect-changes:
+    if: ${{ github.actor != 'github-actions[bot]' && !startsWith(github.event.head_commit.message, 'chore(gitops): update ') }}
+    runs-on: ubuntu-latest
+    outputs:
+      backend: ${{ steps.filter.outputs.backend }}
+      admin: ${{ steps.filter.outputs.admin }}
+      public: ${{ steps.filter.outputs.public }}
+    steps:
+      - name: Checkout GitOps repo
+        uses: actions/checkout@v4
+
+      - name: Detect changed app paths
+        id: filter
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            backend:
+              - 'apps/nxtgauge-backend/**'
+            admin:
+              - 'apps/nxtgauge-admin-frontend/**'
+            public:
+              - 'apps/nxtgauge-frontendwebsite/**'
+
+  trigger-backend:
+    needs: detect-changes
+    if: ${{ needs.detect-changes.outputs.backend == 'true' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger backend workflow
+        env:
+          TOKEN: ${{ secrets.GITOPS_PAT }}
+        run: |
+          curl -sS -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${TOKEN}" \
+            https://api.github.com/repos/Traceworks2023/nxtgauge-nov-2025-backend/actions/workflows/build-and-push-ghcr.yml/dispatches \
+            -d '{"ref":"testingcodex"}'
+
+  trigger-admin-frontend:
+    needs: detect-changes
+    if: ${{ needs.detect-changes.outputs.admin == 'true' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger admin frontend workflow
+        env:
+          TOKEN: ${{ secrets.GITOPS_PAT }}
+        run: |
+          curl -sS -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${TOKEN}" \
+            https://api.github.com/repos/Traceworks2023/nxtgauge-nov-2025-frontend/actions/workflows/build-push-and-update-gitops.yml/dispatches \
+            -d '{"ref":"testingcodex"}'
+
+  trigger-public-frontend:
+    needs: detect-changes
+    if: ${{ needs.detect-changes.outputs.public == 'true' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger public frontend workflow
+        env:
+          TOKEN: ${{ secrets.GITOPS_PAT }}
+        run: |
+          curl -sS -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${TOKEN}" \
+            https://api.github.com/repos/Traceworks2023/nxtgauge-frontendwebsite/actions/workflows/build-push-and-update-gitops.yml/dispatches \
+            -d '{"ref":"testingcodex"}'