Add Docker setup and docker-compose configuration A

.gitignore

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+frontend/.env.local

backend/Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app/ app/
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

docker-compose.yml

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+version: "3.9"
+
+services:
+  backend:
+    build: ./backend
+    container_name: backend
+    ports:
+      - "8000:8000"
+
+  frontend:
+    build: ./frontend
+    container_name: frontend
+    ports:
+      - "3000:3000"
+    depends_on:
+      - backend

frontend/dockerfile

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+FROM node:18-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+EXPOSE 3000
+
+CMD ["npm", "run", "dev"]