Update Dockerfile

Dockerfile

@@ -1,27 +1,19 @@
-# Hugging Face Spaces (Docker)
+# Hugging Face Spaces Docker
 FROM node:20-alpine
 
 WORKDIR /app
 
-# Copy manifests first for caching
+# Install dependencies
 COPY package*.json ./
-
-# If a lockfile exists, use npm ci; otherwise fall back to npm install
-# npm@10 uses --omit=dev (modern replacement for --only=production)
-RUN if [ -f package-lock.json ]; then \
-      npm ci --omit=dev ; \
-    else \
-      npm install --omit=dev ; \
-    fi
+RUN npm install --only=production
 
 # App files
 COPY public ./public
 COPY server.js ./server.js
 
-# Spaces provides PORT (typically 7860)
+# Expose port for Hugging Face Spaces
 ENV HOST=0.0.0.0
 ENV PORT=7860
-ENV NODE_ENV=production
 EXPOSE 7860
 
 CMD ["node", "server.js"]