v4 buildfile

.forgejo/workflows/build-on-commit_v4.yml

@@ -0,0 +1,47 @@
+name: Build Docker Image on Commit v4
+
+on:
+  push:
+    branches:
+      - winbox4
+    tags:
+      - '!' # Exclude tags
+
+jobs:
+  build-and-publish:
+    runs-on: docker-builder
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set REPO_VARS
+        id: repo-url
+        run: |
+          echo "REPO_HOST=$(echo "${{ github.server_url }}" | sed 's~http[s]*://~~g')" >> $GITHUB_ENV
+          echo "REPO_PATH=${{ github.repository }}" >> $GITHUB_ENV
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+          driver-opts: |
+            network=host
+
+      - name: Login to OCI registry
+        run: |
+          echo "${{ secrets.OCI_TOKEN }}" | docker login $REPO_HOST -u "${{ secrets.OCI_USER }}" --password-stdin
+
+      - name: Build and push multi-arch Docker images
+        run: |
+          docker buildx build \
+            --platform linux/amd64 \
+            --tag $REPO_HOST/$REPO_PATH:${{ github.sha }} \
+            --tag $REPO_HOST/$REPO_PATH:nightly-v4 \
+            --push \
+            .
+
+      - name: Cleanup
+        run: |
+          docker buildx prune -f
+          docker logout $REPO_HOST