added Docker containers

backend/.dockerignore

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+node_modules
+Dockerfile
+.git;

backend/Dockerfile

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+FROM node
+
+WORKDIR /app
+
+# Copy package.json and package-lock.json separately to leverage Docker layer caching
+COPY package.json package-lock.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose port 4000 (assuming your Node.js application listens on this port)
+EXPOSE 4000
+
+# Command to run the application
+CMD ["npm", "start"]

docker-compose.yaml

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+version: '3.8'
+
+services:
+  mongodb:
+    image: mongo
+    volumes:
+      - data:/data/db
+
+  backend:
+    build: ./backend
+    ports:
+      - "4000:4000"
+    volumes:
+      - logs:/app/logs
+      - ./backend:/app
+      - /app/node_modules
+    depends_on:
+      - mongodb
+
+  frontend:
+    build: ./frontend
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./frontend/src:/app/src
+    stdin_open: true
+    tty: true
+    depends_on:
+      - backend
+
+volumes:
+  data:
+  logs:

frontend/.dockerignore

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+node_modules
+Dockerfile
+.git;

frontend/Dockerfile

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+FROM node:latest
+
+WORKDIR /app
+
+COPY . .
+
+RUN npm install
+
+EXPOSE 3000
+
+CMD ["npm", "start"]