Update Dockerfile

Dockerfile

@@ -1,21 +1,23 @@
-FROM node:18-slim
+FROM node:20-slim
 
-# Install git (optional but helpful)
+# Install git (needed for some deps)
 RUN apt-get update && \
     apt-get install -y git && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
-# Copy and install Moltbot + dependencies
+# Copy package.json first for layer caching
 COPY package.json ./
+
+# Install dependencies
 RUN npm install
 
-# Copy application files
+# Copy the rest of the app
 COPY . .
 
-# Expose HF Space port
+# Hugging Face Spaces port
 EXPOSE 7860
 
-# Start the HTTP wrapper
+# Start server
 CMD ["npm", "start"]