feat: add auto imagetag change

.github/workflows/build.yml

@@ -52,4 +52,28 @@ jobs:
           push: true
           tags: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }},${{ env.IMAGE_NAME }}:latest
           cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache
-          cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max
+          cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:buildcache,mode=max
+
+  update-gitops:
+    name: Update gitops repository
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout gitops repository
+        uses: actions/checkout@v4
+        with:
+            repository: isd-sgcu/isd-gitops
+            token: ${{ secrets.GITOPS_TOKEN }}
+
+      - name: Update image tag
+        uses: mikefarah/yq@master
+        env:
+          NEW_TAG: ${{ github.ref_type == 'tag' && github.ref_name ||  env.IMAGE_TAG }}
+        with:
+          cmd: yq -i '.gateway.imageTag = strenv(NEW_TAG)' projects/johnjud/values/gateway-dev.values.yaml
+
+      - name: Commit & Push changes
+        uses: actions-js/[email protected]
+        with:
+          github_token: ${{ secrets.GITOPS_TOKEN }}
+          repository: isd-sgcu/isd-gitops