build: build and publish a docker image for this mcp server

Author: lirantal

.github/workflows/docker-publish-to-github.yml

@@ -0,0 +1,65 @@
+name: "Docker: GitHub Packages"
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository_owner }}/mcp-server-nodejs-api-docs
+
+jobs:
+  build_and_publish:
+  
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
+            type=ref,event=pr
+          flavor: |
+            prefix=
+            suffix=
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          
+      - name: Cosign install
+        uses: sigstore/cosign-installer@v3.8.2
+              
+      - name: Sign the published container image
+        env:
+          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
+          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
+          TAGS: ${{ steps.meta.outputs.tags }}
+        run: |
+          cosign sign --key env://COSIGN_PRIVATE_KEY ${TAGS} \
+            -a "repo=${{ github.repository }}" \
+            -a "workflow=${{ github.workflow }}" \
+            -a "ref=${{ github.sha }}" \
+            -a "actor=${{ github.actor }}" \
+            -a "build=${{ github.run_id }}"