release.yml: Implement CI for publishing server image on DockerHub

.github/workflows/release.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   sdk-publish:
-    # This job publishes the SDK package to PyPI
+    # This job publishes the package to PyPI
     runs-on: ubuntu-latest
     defaults:
       run:
@@ -58,3 +58,44 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           password: ${{ secrets.PYPI_ORG_TOKEN }}
+
+  server-publish:
+    # This job publishes the server docker image to DockerHub
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./server
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Extract Docker image metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: eclipsebasyx/basyx-python-server
+          # This fetches the latest git tag and adds an additional "latest" to it, so e.g. `2.1.0,latest`
+          tags: |
+            type=semver,pattern={{version}}
+            type=raw,value=latest
+          labels: |
+            org.opencontainers.image.title=BaSyx Python Server
+            org.opencontainers.image.description=Eclipse BaSyx Python SDK - HTTP Server
+            org.opencontainers.image.source=https://github.com/eclipse-basyx/basyx-python-sdk/tree/main/server
+            org.opencontainers.image.licenses=MIT
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v4
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+      - name: Build and Push Docker Image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./server/Dockerfile  # Todo: Update paths
+          push: true
+          platforms: linux/amd64,linux/arm64  # Todo: Check which platforms we should support
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}