services:
  bot:
    environment:
      EXCHANGE_API_KEY_FILE: /run/secrets/exchange_api_key
      EXCHANGE_API_SECRET_FILE: /run/secrets/exchange_api_secret
    secrets:
      - exchange_api_key
      - exchange_api_secret

secrets:
  exchange_api_key:
    file: ${EXCHANGE_API_KEY_SOURCE_FILE:?EXCHANGE_API_KEY_SOURCE_FILE must be set}
  exchange_api_secret:
    file: ${EXCHANGE_API_SECRET_SOURCE_FILE:?EXCHANGE_API_SECRET_SOURCE_FILE must be set}