import re

with open('docker-compose.yml', 'r') as f:
    content = f.read()

new_service = """  tax-api:
    build: ./tax_api
    ports:
      - "8001:8000"
    restart: unless-stopped

  celery:"""
content = content.replace('  celery:', new_service)

with open('docker-compose.yml', 'w') as f:
    f.write(content)