Added docker file for react and backend

Dockerfile

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+# Use an official Python runtime as a parent image
+FROM python:3.9-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file into the container
+COPY requirements.txt .
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code into the container
+COPY . .
+
+# Make port 80 available to the world outside this container
+EXPOSE 80
+
+# Run the application
+CMD ["python", "run.py"]

docker-compose.yml

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+version: '3.8'
+
+services:
+  backend:
+    build: 
+      context: .
+      dockerfile: Dockerfile
+    volumes:
+      - .:/app
+    ports:
+      - "8000:80"
+    environment:
+      - APP_ENV=development
+    command: python run.py
+
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+    volumes:
+      - ./frontend:/app
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=development
+    command: serve -s build

frontend/Dockerfile

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+# Use the official Node.js image as a parent image
+FROM node:14
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the package.json and package-lock.json files
+COPY package*.json ./
+
+# Install any needed packages
+RUN npm install
+
+# Copy the rest of the application code into the container
+COPY . .
+
+# Build the app
+RUN npm run build
+
+# Install serve to serve the build
+RUN npm install -g serve
+
+# Make port 3000 available to the world outside this container
+EXPOSE 3000
+
+# Serve the app
+CMD ["serve", "-s", "build"]