Create Dockerfile

Dockerfile

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+# Use the official Node.js image
+FROM node:18
+
+# Create an app directory
+WORKDIR /app
+
+# Copy package files and install
+COPY package*.json ./
+RUN npm install
+
+# Copy all other files (like server.js and your public folder)
+COPY . .
+
+# Expose the correct port
+EXPOSE 7860
+
+# Start the app
+CMD ["npm", "start"]