Add npm publishing to GitHub Actions workflow

.github/workflows/docker-publish.yml

@@ -1,4 +1,4 @@
-name: Docker Image CI/CD
+name: Docker Image and NPM Package CI/CD
 
 on:
   push:
@@ -8,7 +8,7 @@ on:
     branches: [ main ]
 
 jobs:
-  build-and-push:
+  build-and-push-docker:
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -56,3 +56,29 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+  publish-npm:
+    runs-on: ubuntu-latest
+    # Only run on tagged versions (v*)
+    if: startsWith(github.ref, 'refs/tags/v')
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18.x'
+          registry-url: 'https://registry.npmjs.org/'
+      
+      - name: Install dependencies
+        run: npm ci
+      
+      - name: Build package
+        run: npm run build
+      
+      - name: Publish to NPM
+        run: npm publish --access=public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPMJS_TOKEN }}