moved docker files

docker/docker-compose.prod.yml

@@ -0,0 +1,74 @@
+version: '3.8'
+
+services:
+  # PostgreSQL database
+  postgres:
+    image: postgres:16-alpine
+    container_name: langchain-agent-db
+    environment:
+      POSTGRES_DB: postgres
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: ${POSTGRES_ROOT_PASSWORD:-postgres_root_password}
+      # These are used by init scripts to create the app database
+      APP_DB_NAME: ${POSTGRES_DB:-ai_conversations}
+      APP_DB_USER: ${POSTGRES_USER:-myapp_user}
+      APP_DB_PASSWORD: ${POSTGRES_PASSWORD:-secure_password_123}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./scripts/init_database:/docker-entrypoint-initdb.d
+    ports:
+      - "${POSTGRES_PORT:-5432}:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
+
+  # Backend API server
+  backend:
+    build:
+      context: .
+      dockerfile: Dockerfile.prod
+    container_name: langchain-agent-backend
+    environment:
+      - PYTHONPATH=/app
+      - PYTHONUNBUFFERED=1
+      - CONN_STR=postgresql://${POSTGRES_USER:-myapp_user}:${POSTGRES_PASSWORD:-secure_password_123}@postgres:5432/${POSTGRES_DB:-ai_conversations}
+      - POSTGRES_USER=${POSTGRES_USER:-myapp_user}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-secure_password_123}
+      - POSTGRES_DB=${POSTGRES_DB:-ai_conversations}
+    ports:
+      - "${BACKEND_PORT:-8500}:8500"
+    volumes:
+      - ../configs:/app/configs
+      - ../scripts:/app/scripts
+      - ../assets:/app/assets
+      - ../static:/app/static
+    depends_on:
+      postgres:
+        condition: service_healthy
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8500/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+  # Nginx for serving frontend (optional - can also serve via FastAPI)
+  nginx:
+    image: nginx:alpine
+    container_name: langchain-agent-nginx
+    ports:
+      - "${FRONTEND_PORT:-80}:80"
+    volumes:
+      - ../nginx.conf:/etc/nginx/nginx.conf:ro
+      - ../frontend/dist:/usr/share/nginx/html:ro
+    depends_on:
+      - backend
+    restart: unless-stopped
+
+volumes:
+  postgres_data:
+