feat: Docker Compose for full stack deployment

docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.9'
+
+services:
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    ports:
+      - "8000:8000"
+    environment:
+      - LLM_BASE_URL=${LLM_BASE_URL:-https://api.groq.com/openai/v1}
+      - LLM_API_KEY=${LLM_API_KEY}
+      - LLM_MODEL=${LLM_MODEL:-llama-3.3-70b-versatile}
+      - LLM_MAX_TOKENS=${LLM_MAX_TOKENS:-8192}
+      - LLM_TEMPERATURE=${LLM_TEMPERATURE:-0.3}
+      - CORS_ORIGINS=http://localhost:5173,http://localhost:3000
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+    restart: unless-stopped
+
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+    ports:
+      - "3000:80"
+    environment:
+      - VITE_API_URL=http://localhost:8000
+    depends_on:
+      backend:
+        condition: service_healthy
+    restart: unless-stopped