Create Dockerfile

Dockerfile

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+# Use official Node.js 18 image
+FROM node:18
+
+# Set working directory
+WORKDIR /app
+
+# Copy package.json and package-lock.json first to leverage Docker caching
+COPY package.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the app files
+COPY . .
+
+# Expose the port the app runs on
+EXPOSE 7860
+
+# Start the server
+CMD ["npm", "start"]