Create Dockerfile

Dockerfile

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+# Use the official Node.js image
+FROM node:18
+
+# Set the working directory
+WORKDIR /websocket
+
+# Copy package.json and package-lock.json
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the WebSocket port
+EXPOSE 7860
+
+# Command to run the application
+CMD ["npm", "start"]