My docker-compose.yaml for WeKan and MongoDB

docker-compose.yaml

version: '3'
services:
  wekan:
    image: wekanteam/wekan
    links:
      - mongodb
    environment:
      - MONGO_URL=mongodb://mongodb/wekan
      - ROOT_URL=https://<yourdomain>
      - MAIL_URL=smtp://<yourdomain>
      - MAIL_FROM=<youremail>
    ports:
      # expose port 80 on 9001 for nginx reverse proxy
      - "9001:80"
    restart: always
  mongodb:
    image: mongo:3.2.11
    volumes:
      - "/data/db:/data/db"
    restart: always