fix: publish multi-arch docker images (#1602) (thanks @denysvitali)

Removed submodule checkout step from Docker release workflow.

.github/workflows/docker-release.yml

@@ -0,0 +1,139 @@
+name: Docker Release
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  # Build amd64 image
+  build-amd64:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    outputs:
+      image-digest: ${{ steps.build.outputs.digest }}
+      image-metadata: ${{ steps.meta.outputs.json }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}},suffix=-amd64
+            type=ref,event=branch,suffix=-amd64
+
+      - name: Build and push amd64 image
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          provenance: false
+          push: true
+
+  # Build arm64 image
+  build-arm64:
+    runs-on: ubuntu-24.04-arm
+    permissions:
+      packages: write
+      contents: read
+    outputs:
+      image-digest: ${{ steps.build.outputs.digest }}
+      image-metadata: ${{ steps.meta.outputs.json }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}},suffix=-arm64
+            type=ref,event=branch,suffix=-arm64
+
+      - name: Build and push arm64 image
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/arm64
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          provenance: false
+          push: true
+
+  # Create multi-platform manifest
+  create-manifest:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    needs: [build-amd64, build-arm64]
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for manifest
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=raw,value=latest,enable={{is_tag}}
+
+      - name: Create and push manifest
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ needs.build-amd64.outputs.image-digest }} \
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ needs.build-arm64.outputs.image-digest }}
+        env:
+          DOCKER_METADATA_OUTPUT_JSON: ${{ steps.meta.outputs.json }}

CHANGELOG.md

@@ -17,6 +17,7 @@ Docs: https://docs.clawd.bot
 
 ### Fixes
 - Packaging: include dist/tts output in npm tarball (fixes missing dist/tts/tts.js).
+- CI: publish multi-arch Docker images on main and release tags. (#1602) Thanks @denysvitali.
 
 ## 2026.1.23