Update RouterOS.yml

.github/workflows/RouterOS.yml

@@ -1,8 +1,10 @@
 name: RouterOS
 
 on:
+  workflow_dispatch:
   push:
-    branches: [master]
+    tags:
+      - 'v*'
 
 jobs:
   binaries:
@@ -73,17 +75,24 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      # Обычный docker build без buildx push —
-      # RouterOS понимает только legacy формат (docker save)
-      - name: Build image
-        run: |
-          docker build \
-            --platform ${{ matrix.platform }} \
-            --tag max-telegram-bridge-bot:build \
-            .
+      # Build via buildx (required for cross-platform) but export as
+      # legacy Docker format via "docker save" — RouterOS container
+      # engine only understands the legacy image format, not OCI.
+      - name: Build image via buildx
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: false
+          platforms: ${{ matrix.platform }}
+          tags: max-telegram-bridge-bot:build
+          # Load into local Docker daemon so we can docker save it
+          outputs: type=docker,dest=/tmp/image-${{ matrix.suffix }}.tar
 
-      - name: Save image as tar
+      # buildx already outputs a tar — but it's OCI format.
+      # Re-import into Docker daemon and re-export as legacy format.
+      - name: Re-export as legacy Docker format
         run: |
+          docker load -i /tmp/image-${{ matrix.suffix }}.tar
           docker save max-telegram-bridge-bot:build \
             -o max-telegram-bridge-bot-${{ matrix.suffix }}-docker.tar