fix: update npm ci flag from --only=production to --omit=dev and remove nginx build job

.github/workflows/docker-build.yml

@@ -67,52 +67,10 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
-  build-nginx:
-    name: Build nginx-enhanced Docker Image
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-      
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-        
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        
-      - name: Log in to GitHub Container Registry
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-          
-      - name: Extract metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          flavor: |
-            suffix=-nginx
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=semver,pattern={{version}}
-            type=raw,value=nginx,enable={{is_default_branch}}
-            
-      - name: Build and push nginx Docker image
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          file: ./Dockerfile.nginx
-          platforms: linux/amd64,linux/arm64
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+  # Nginx build commented out until Phase 2
+  # build-nginx:
+  #   name: Build nginx-enhanced Docker Image
+  #   runs-on: ubuntu-latest
+  #   permissions:
+  #     contents: read
+  #     packages: write