feat: add docker publish workflow

Signed-off-by: Matthew Peveler <mpeveler@tigerdata.com>

Author: MasterOdin

.github/workflows/publish-docker-images.yaml

@@ -0,0 +1,55 @@
+name: Publish Docker Images
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+permissions:
+  packages: write
+  contents: read
+
+jobs:
+  docker-publish-mcp:
+    name: docker-publish-mcp
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          submodules: recursive
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            docker.io/timescale/tiger-memory-mcp
+            ghcr.io/timescale/tiger-memory-mcp
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.ORG_DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.ORG_DOCKER_HUB_ACCESS_TOKEN }}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}