Update Dockerfile

Dockerfile

@@ -1,25 +1,29 @@
-# Dockerfile for Hugging Face Spaces (single file)
+# Use a small Node.js image
 FROM node:18-alpine
 
-# set working dir
+# Set working directory
 WORKDIR /app
 
-# copy package files and install (use npm ci if you have package-lock.json)
+# Copy package files first for better caching
 COPY package*.json ./
+
+# Install dependencies
 RUN npm install
 
-# copy source and build
+# Copy all other files
 COPY . .
+
+# Build the app (React, Vite, etc.)
 RUN npm run build
 
-# install a tiny static server
+# Install the simple static server globally
 RUN npm install -g serve
 
-# default port (Hugging Face will inject its PORT env var at runtime)
-ENV PORT=3000
+# Set the port (Hugging Face injects PORT automatically)
+ENV PORT=7860
 
-# expose the port (optional; for documentation)
-EXPOSE 3000
+# Expose the port for documentation
+EXPOSE 7860
 
-# bind to 0.0.0.0 and use the PORT env var; sh -c is used so ${PORT} expands
-CMD ["sh", "-c", "serve -s build -l 0.0.0.0:${PORT}"]
+# Run the static server (correct syntax for host:port)
+CMD ["sh", "-c", "serve -s build -l tcp://0.0.0.0:${PORT}"]