dockerization.

client/Dockerfile

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+# Use a base image with Node.js and npm
+FROM node:18-alpine 
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json
+COPY package.json /app
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the React app
+COPY src/. /app
+
+# Build the React app for production
+RUN npm run build
+
+# Expose the port your React app will run on (usually 3000)
+EXPOSE 3000
+
+# Start the production server (serve the built files)
+CMD ["npx", "serve", "dist"]