Create server.json and GHA workflow to publish to MCP Registry

Author: mikesir87

.github/workflows/build-and-register.yaml

@@ -0,0 +1,54 @@
+name: Build and Publish MCP Server
+
+on:
+  push:
+    tags: ['v*']
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+    
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Extract version
+        id: version
+        run: echo "version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+      
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: dockersamples/mcp-docker-release-information:${{ steps.version.outputs.version }}
+          labels: |
+            io.modelcontextprotocol.server.name=io.github.dockersamples/mcp-docker-release-information
+      
+      - name: Update server.json version
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          jq --arg version "$VERSION" '.version = $version' server.json > tmp.json
+          mv tmp.json server.json
+
+      - name: Install MCP Publisher
+        run: |
+          git clone https://github.com/modelcontextprotocol/registry publisher-repo
+          cd publisher-repo && make publisher && cd ..
+          cp publisher-repo/cmd/publisher/bin/mcp-publisher mcp-publisher
+      
+      - name: Publish to MCP Registry
+        run: |
+          ./mcp-publisher login github-oidc
+          ./mcp-publisher publish

server.json

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+{
+  "name": "io.github.dockersamples/mcp-docker-release-information", 
+  "packages": [
+    {
+      "registry_type": "oci",
+      "identifier": "dockersamples/mcp-docker-release-information",
+      "version": "1.0.0"
+    }
+  ]
+}