bitnami-containers/bitnami/etcd/3/ol-7/docker-compose.yml

version: '2'

services:
  etcd:
    image: bitnami/etcd:3-ol-7
    environment:
      - ALLOW_NONE_AUTHENTICATION=yes
    volumes:
      - etcd_data:/bitnami
volumes:
  etcd_data:
    driver: local