version: '3.6' services: elasticsearch732: extends: file: docker-compose.elasticsearch.base.yml service: elasticsearch build: dockerfile: elastic732.Dockerfile volumes: - elastic732:/usr/share/elasticsearch/data elasticsearch752: extends: file: docker-compose.elasticsearch.base.yml service: elasticsearch build: dockerfile: elastic752.Dockerfile volumes: - elastic752:/usr/share/elasticsearch/data volumes: elastic732: elastic752: