ci: add gitops update step while keeping original registry config

.woodpecker.yml

@@ -1,9 +1,3 @@
-# Woodpecker CI - Admin build + GitOps update
-#
-# Secrets required:
-# - REGISTRY_HOSTPORT, REGISTRY_USERNAME, REGISTRY_PASSWORD (existing)
-# - GITOPS_REPO_URL, GITOPS_BRANCH, GITOPS_TOKEN, GITOPS_USERNAME, GITOPS_EMAIL
-
 when:
   branch: [main, high-performance]
   event: push
@@ -12,7 +6,8 @@ steps:
   - name: build-and-push
     image: woodpeckerci/plugin-kaniko:2.1.1
     settings:
-      registry: registry.nxtgauge.com:5000
+      registry:
+        from_secret: REGISTRY_HOSTPORT
       repo: nxtgauge-admin-solid
       dockerfile: Dockerfile.simple
       tags:
@@ -34,22 +29,16 @@ steps:
     commands:
       - |
         set -e
-
         echo "Updating GitOps for nxtgauge-admin-solid"
-
         git clone https://github.com/Traceworks2023/nxtgauge-gitops.git /tmp/gitops
         cd /tmp/gitops
         git checkout main
-
-        # Update admin overlay
         ADMIN_OVERLAY="apps/nxtgauge-admin-solid/overlays/prod"
         if [ -f "${ADMIN_OVERLAY}/kustomization.yaml" ]; then
           sed -i "s|image: registry.nxtgauge.com:5000/nxtgauge-admin-solid:.*|image: registry.nxtgauge.com:5000/nxtgauge-admin-solid:${CI_COMMIT_SHA}|" \
             ${ADMIN_OVERLAY}/kustomization.yaml
           echo "Updated admin image to ${CI_COMMIT_SHA}"
         fi
-
-        # Commit and push
         if ! git diff --quiet; then
           git config user.name "Woodpecker CI"
           git config user.email "woodpecker@nxtgauge.com"