Create Dockerfile

Dockerfile

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+# Use official Node.js image
+FROM node:18
+
+# Set working directory
+WORKDIR /app
+
+# Copy package.json and install dependencies
+RUN npm install express cors dotenv
+
+# Copy the rest of the application
+COPY . .
+
+# Ensure amounts.json exists and set permissions
+RUN touch amounts.json && chmod 666 amounts.json
+
+# Expose the port
+EXPOSE 7860
+
+# Start the application
+CMD ["node", "server.js"]