docker-atelier/etherpad/docker-compose.yml

version: '2'

services:
  db:
    image: mysql
    restart: always
    volumes:
      - /srv/etherpad/db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}

  app:
    image: tvelocity/etherpad-lite
    links:
      - db
    environment:
      - ETHERPAD_DB_HOST=db
      - ETHERPAD_DB_PASSWORD=${MYSQL_ROOT_PASSWORD}
    ports:
      - "127.0.0.1:9001:9001"