version: '3.6' services: elastic732: extends: file: docker-compose.elastic.base.yml service: elastic build: dockerfile: elastic732.Dockerfile volumes: - elastic732:/usr/share/elastic/data elastic752: extends: file: docker-compose.elastic.base.yml service: elastic build: dockerfile: elastic752.Dockerfile volumes: - elastic752:/usr/share/elastic/data volumes: elastic732: elastic752: